K1
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
Alcoknob
K
Alcoknob
K Series - Page K4 KCB Series - Page K5
KE Series - Page K6 KLNS Series - Page K8
KN Series - Page K8 PK Series - Page K13
PKD Series - Page K14
K2
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
Alcoknob
K
Alcoknob
Alcoknob Part Number Index
K1250A1/4 ……………K4
K1250B1/4 ……………K4
K1251B1/4 ……………K4
K1255AS1/4 …………K4
K1255BS1/4 …………K4
K500A1/4 ……………K4
K500A1/8 ……………K4
K500B1/4 ……………K4
K500B1/8 ……………K4
K700A1/4 ……………K4
K700B1/4 ……………K4
K900A1/4 ……………K4
K900B1/4 ……………K4
KA1250A1/4 …………K4
KA1250B1/4 …………K4
KA500A1/4……………K4
KA500A1/8……………K4
KA500B1/4 ……………K4
KA500B1/8 ……………K4
KA700A1/4……………K4
KA700B1/4 ……………K4
KA900A1/4……………K4
KA900B1/4 ……………K4
KAS500A1/4 …………K4
KAS500A1/8 …………K4
KAS500B1/4 …………K4
KAS500B1/8 …………K4
KAS700A1/4 …………K4
KAS700B1/4 …………K4
KAS900A1/4 …………K4
KAS900B1/4 …………K4
KB500A1/4 ……………K5
KB500A1/8 ……………K5
KB500B1/4 ……………K5
KB500B1/8 ……………K5
KB700A1/4 ……………K5
KB700B1/4 ……………K5
KB900A1/4 ……………K5
KB900B1/4 ……………K5
KBS500A1/4 …………K5
KBS500A1/8 …………K5
KBS500A101/4 ………K5
KBS500A101/8 ………K5
KBS500B1/4 …………K5
KBS500B1/8 …………K5
KBS500B101/4 ………K5
KBS500B101/8 ………K5
KCB500A1/4 …………K5
KCB500A1/8 …………K5
KCB500B1/4 …………K5
KCB500B1/8 …………K5
KCB600A1/4 …………K5
KCB600A1/8 …………K5
KCB600B1/4 …………K5
KCB600B1/8 …………K5
KCB700A1/4 …………K5
KCB700B1/4 …………K5
KCB900A1/4 …………K5
KCB900B1/4 …………K5
KD1250A1/4 …………K6
KD1250B1/4 …………K6
KD500A1/4……………K6
KD500A1/8……………K6
KD500B1/4 ……………K6
KD500B1/8 ……………K6
KD700A1/4……………K6
KD700B1/4 ……………K6
KD900A1/4……………K6
KD900B1/4 ……………K6
KE1250AB1/4…………K6
KE500AB1/4 …………K6
KE500AB1/8 …………K6
KE700AB1/4 …………K6
KE900AB1/4 …………K6
KES500AB1/4 ………K6
KES500AB1/8 ………K6
KES700AB1/4 ………K6
KES900AB1/4 ………K6
KFS400B1/8 …………K7
KFS500B1/4 …………K7
KFS500B1/8 …………K7
KFS600B1/4 …………K7
KHF1250A1/4…………K7
KHF500A1/4 …………K7
KHF700A1/4 …………K7
KHF900A1/4 …………K7
KLN1250A1/4 ………K7
KLN1250B1/4…………K7
KLN500A1/4 …………K7
KLN500A1/8 …………K7
KLN500B1/4 …………K7
KLN500B1/8 …………K7
KLN500S1/4 …………K7
KLN700A1/4 …………K7
KLN700B1/4 …………K7
KLN700B1/8 …………K7
KLN700S1/4 …………K7
KLN900A1/4 …………K7
KLN900B1/4 …………K7
KLN900S1/4 …………K7
KLNS500A1/4 ………K8
KLNS500A1/8 ………K8
KLNS500B1/4 ………K8
KLNS500B1/8 ………K8
KLNS700A1/4 ………K8
KLNS700B1/4 ………K8
KLNS900A1/4 ………K8
KLNS900B1/4 ………K8
KN1250A1/4 …………K9
KN1250AB1/4 ………K9
KN1250B1/4 …………K9
KN1250BA1/4 ………K9
KN1251A1/4 …………K9
KN1251B1/4 …………K9
KN1750A1/4 …………K8
KN1750B1/4 …………K8
KN1751A1/4 …………K8
KN1751AB1/4 ………K8
KN1751AS1/4…………K8
KN1751B1/4 …………K8
KN1751BA1/4 ………K8
KN1751BS1/4…………K8
KN1755ABS1/4 ………K9
KN1755AS1/4…………K9
KN1755BAS1/4 ………K9
KN1755BS1/4…………K9
KN500A1/4……………K9
KN500A1/8……………K9
KN500AB1/4 …………K9
KN500AB1/8 …………K9
KN500B1/4 ……………K9
KN500B1/8 ……………K9
KN500BA1/4 …………K9
KN500BA1/8 …………K9
KN501A1/4……………K8
KN501A1/8……………K8
KN501B1/4 ……………K8
KN501B1/8 ……………K8
KN501BA1/4 …………K8
KN501BA1/8 …………K8
KN5700A1/4 …………K9
KN5700B1/4 …………K9
KN700A1/4……………K9
KN700AB1/4 …………K9
KN700B1/4 ……………K9
KN700BA1/4 …………K9
KN701A1/4……………K8
KN701B1/4 ……………K8
KN701BA1/4 …………K8
KN701BA1/8 …………K8
KN900A1/4……………K9
KN900AB1/4 …………K9
KN900B1/4 ……………K9
KN900BA1/4 …………K9
KNS501A1/4 …………K10
KNS501A1/8 …………K10
KNS501B1/4 …………K10
KNS501B1/8 …………K10
KNS501BA1/4 ………K10
KNS501BA1/8 ………K10
KNS701A1/4 …………K10
KNS701B1/4 …………K10
KNS701BA1/4 ………K10
KNS701BA1/8 ………K10
KPN500A1/4 …………K10
KPN500A1/8 …………K10
KPN500B1/4 …………K10
KPN500B1/8 …………K10
KPN700A1/4 …………K10
KPN700B1/4 …………K10
KPN900A1/4 …………K10
KPN900B1/4 …………K10
KR1 ……………………K21
KR2 ……………………K21
KR3 ……………………K21
KS500A1/4 ……………K10
KS500A1/8 ……………K10
KS500B1/4 ……………K10
KS500B1/8 ……………K10
KS700A1/4 ……………K10
KS700B1/4 ……………K10
KS900A1/4 ……………K10
KS900B1/4 ……………K10
KT500A1/4 ……………K11
KT500B1/4 ……………K11
KT500B1/8 ……………K11
KT700A1/4 ……………K11
KT700B1/4 ……………K11
KT900A1/4 ……………K11
KT900B1/4 ……………K11
KU401B1/8 ……………K11
KU402B1/8 ……………K11
KU500B1/4 ……………K11
KU500B1/8 ……………K11
KU700B1/4 ……………K11
KUS402B1/8 …………K11
KUS500B1/4 …………K11
KUS500B1/8 …………K11
KUS700B1/4 …………K11
PH15181/4 ……………K12
PK1100B1/8 …………K12
PK50B1/4 ……………K12
PK50B1/8 ……………K12
PK70B1/4 ……………K12
PK90B1/4 ……………K12
PKA50B1/4……………K13
PKA50B1/8……………K13
PKA55B1/4……………K13
PKA55B1/8……………K13
PKA70B1/4……………K13
PKA90B1/4……………K13
PKAP50B1/4 …………K13
PKAP50B1/8 …………K13
PKAP70B1/4 …………K13
PKB70B1/4 ……………K14
PKB90B1/4 ……………K14
PKD100B1/4 …………K14
PKD100B101/4 ………K14
PKD60B1/4……………K14
PKD60B1/8……………K14
PKD60B101/4…………K14
PKD60B101/8…………K14
PKD70B1/4……………K14
PKD70B101/4…………K14
PKDT100B1/4 ………K15
PKDT100B101/4 ……K15
PKDT60B101/8 ………K15
PKDT70B1/4 …………K15
PKDT70B101/4 ………K15
PKE60B1/4 ……………K15
PKE60B1/8 ……………K15
PKE90B1/4 ……………K15
PKES120B1/4 …………K15
PKES140B1/4 …………K15
PKES150B1/4 …………K15
PKES60B1/4 …………K15
PKES60B1/8 …………K15
PKES70B1/4 …………K15
PKES90B1/4 …………K15
PKF50B1/8 ……………K16
PKG100B1/4 …………K17
PKG1255B1/4…………K17
PKG40B1/8……………K16
PKG50B1/4……………K16
PKG50B1/8……………K16
PKG60B1/4……………K17
PKG60B1/8……………K17
PKG70B1/4……………K17
PKG70B1/8……………K17
PKG90B1/4……………K17
PKG90B1/8……………K17
PKGP100B1/4…………K17
PKGP70B1/4 …………K17
PKGP90B1/4 …………K17
PKJ50B1/4 ……………K17
PKJ50B1/8 ……………K17
PKJ60B1/4 ……………K17
PKJ70B1/4 ……………K17
PKJT50B1/4 …………K18
PKJT50B1/8 …………K18
PKJT60B1/4 …………K18
PKJT70B1/4 …………K18
PKN60B1/4……………K18
PKN60B1/8……………K18
PKN70B1/4……………K18
PKN90B1/4……………K18
PKNT60B1/4 …………K18
PKNT60B1/8 …………K18
PKNT70B1/4 …………K18
PKNT90B1/4 …………K18
PKS1103B101/4 ………K18
PKS1104B1/4 …………K19
PKS1105B101/4 ………K19
PKS1106B1/4 …………K19
PKS1132B1/4 …………K19
PKS1132B101/4 ………K19
PKS1132B51/4 ………K19
PKS1132B91/4 ………K19
PKS90B1/4 ……………K20
PKS90B101/4 …………K20
PKX100B1/4 …………K20
PKX110B1/4 …………K20
PKX130B1/4 …………K20
PKX50B1/4……………K20
PKX50B1/8……………K20
PKX60B1/4……………K20
PKX60B1/8……………K20
K3
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
Alcoknob
K
Alcoknob
General Knob Information
SPECIFICATIONS
A. STANDARD KNOB TYPES
1. INSPECTION CRITERIA - Normal inspection is performed without magnification while holding
knob at a distance of 12 to 14 inches for a period of 5 seconds, under normal light.
The following imperfections are not acceptable:
Finish: visable marks or scratches, runs, or non-uniform coverage.
Artwork: voids, specks, bleeding or other inconsistencies
2. MATERIALS - K Series: Machined aluminum alloy stock
Finish: gloss anodize
Setscrews: Stainless steel, type 303, hex head, cup point
P Series: General purpose phenolic (thermoset) (Max. Temp. 120-125°C continuous)
Finish: Gloss (except PKX, matte)
Insert: Brass
Setscrews: Stainless steel, hex head, cup point
Inlays: Skirts: Aluminum alloy, spun finish
B. CUSTOM TYPES
1. ALUMINUM Configuration - most semi-standard or custom designs can be machined. A drawing
is required to provide a quotation. Non-standard shaft hole diameters are available also.
Finish - Anodizing or paint of various colors can be provided. A color chip is required to
ensure proper color shade.
Artwork - alpha-numeric lettering, indicator lines, markings, etc. can be provided.
Silkscreening and other processes are available.
2. PHENOLIC Configuration - most custom styles can be molded.
Colors - various custom colored standard knobs can be provided. Color chip is required.
Artwork - lettering, markings, etc. can be provided.
K4
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KA SERIES
K SERIES
KA500A1/4
120°90°
60° TYP.
INDICATOR
LINE
F
.157
(3.99)
.125
(3.18)
.281
(7.14)
D
B
AC
G
E
NO. 6-32
SET SCREW
2 PLACES
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
6 Flute Design with Indicator Line
Tyco
Electronics Alcoswitch Color A B C D E F G
2-1437621-0 KA500A1/8 Natural .500(12.7) .430(10.9) .375(9.53) .430(10.9) .625(15.9) .512(13.0) .430(10.9)
1-1437621-9 KA500A1/4 Natural .500(12.7) .430(10.9) .375(9.53) .430(10.9) .625(15.9) .512(13.0) .430(10.9)
2-1437621-2 KA500B1/8 Black .500(12.7) .430(10.9) .375(9.53) .430(10.9) .625(15.9) .512(13.0) 430(10.9)
2-1437621-1 KA500B1/4 Black .500(12.7) .430(10.9) .375(9.53) .430(10.9) .625(15.9) .512(13.0) 430(10.9)
2-1437621-3 KA700A1/4 Natural .750(19.1) .655(16.6) .590(15.0) .655(16.6) .625(15.9) .512(13.0) .430(10.9)
2-1437621-4 KA700B1/4 Black .750(19.1) .655(16.6) .590(15.0) .655(16.6) .625(15.9) .512(13.0) .430(10.9)
2-1437621-5 KA900A1/4 Natural .937(28.8) .817(20.8) .700(17.8) .817(20.8) .625(15.9) .512(13.0) .430(10.9)
2-1437621-6 KA900B1/4 Black .937(28.8) .817(20.8) .700(17.8) .817(20.8) .625(15.9) .512(13.0) .430(10.9)
KA1250A1/4 Natural 1.25(31.8) 1.11(28.2) .985(25.0) 1.11(28.2) .750(19.1) .630(16.0) .554(14.1)
1-1437621-8 KA1250B1/4 Black 1.25(31.8) 1.11(28.2) .985(25.0) 1.11(28.2) .750(19.1) .630(16.0) .554(14.1)
3 Flute Design with and without Indicator Line
Tyco
Electronics Alcoswitch Color A B C D E F G
1437621-7 K500A1/8 Natural .500(12.7) .430(10.9) .374(9.50) .430(10.9) .625(15.9) .429(10.9) .512(13.0)
1437621-6 K500A1/4 Natural .500(12.7) .430(10.9) .374(9.50) .430(10.9) .625(15.9) .429(10.9) .512(13.0)
1437621-9 K500B1/8 Black .500(12.7) .430(10.9) .374(9.50) .430(10.9) .625(15.9) .429(10.9) .512(13.0)
1437621-8 K500B1/4 Black .500(12.7) .430(10.9) .374(9.50) .430(10.9) .625(15.9) .429(10.9) .512(13.0)
1-1437621-0 K700A1/4 Natural .740(18.8) .655(16.6) .591(15.0) .655(16.6) .625(15.9) .429(10.9) .512(13.0)
1-1437621-1 K700B1/4 Black .740(18.8) .655(16.6) .591(15.0) .655(16.6) .625(15.9) .429(10.9) .512(13.0)
1-1437621-3 K900A1/4 Natural .937(23.8) .817(20.8) .709(18.0) .817(20.8) .625(15.9) .429(10.9) .512(13.0)
1-1437621-4 K900B1/4 Black .937(23.8) .817(20.8) .709(18.0) .8827(20.8) .625(15.9) .429(10.9) .512(13.0)
1437621-2 K1250A1/4 Natural 1.25(31.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00)
1437621-3 K1250B1/4 Black 1.25(31.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00)
Less Indicator
1437621-4 K1251B1/4 Black 1.25(31.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00)
With Crank Spinner + Less Indicator
K1255AS1/4 Natural 1.25(21.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00)
1437621-5 K1255BS1/4 Black 1.25(31.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00)
6 Flute Design with Aluminum Skirt and Indicator Lines
Tyco
Electronics Alcoswitch Color ABCDEFG
2-1437621-8 KAS500A1/8 Natural .500(12.7) .430(10.9) .380(9.65) .740(18.8) .630(16.0) .510(13.0) .430(10.9)
2-1437621-7 KAS500A1/4 Natural .500(12.7) .430(10.9) .380(9.65) .740(18.8) .630(16.0) .510(13.0) .430(10.9)
3-1437621-0 KAS500B1/8 Black .500(12.7) .430(10.9) .380(9.65) .740(18.8) .630(16.0) .510(13.0) .430(10.9)
2-1437621-9 KAS500B1/4 Black .500(12.7) .430(10.9) .380(9.65) .740(18.8) .630(16.0) .510(13.0) .430(10.9)
3-1437621-1 KAS700A1/4 Natural .750(19.1) .650(16.5) .590(15.0) 1.14(29.0) .630(16.0) .510(13.0) .430(10.9)
3-1437621-2 KAS700B1/4 Black .750(19.1) .650(16.5) .590(15.0) 1.14(29.0) .630(16.0) .510(13.0) .430(10.9)
3-1437621-3 KAS900A1/4 Natural .940(23.9) .820(20.8) .710(18.0) 1.40(35.6) .630(16.0) .510(13.0) .430(10.9)
3-1437621-4 KAS900B1/4 Black .940(23.9) .820(20.8) .710(18.0) 1.40(35.6) .630(16.0) .510(13.0) .430(10.9)
120°90°
60° TYP.
INDICATOR
LINES
NO. 6-32 SET SCREW
2 PLACES
F.280
(7.11)
.157
(3.99)
D
B
AC
G
E
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
KAS SERIES
KA700B1/4
120°
A
.400
(10.16)
.500
(12.70)
.281
(7.14)
.157
(3.99)
.315
(8.00)
E
G
D
BC
F
CRANK
SPINNER
(K1255 ONLY)
NO. 6-32 SET SCREW
2 PLACES
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
K700B1/4
K5
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KB SERIES
Control Knob with Straight Knurl and Top Line Indicator
Tyco
Electronics Alcoswitch Color A B C D E F G
3-1437621-6 KB500A1/8 Natural .500(12.7) .433(11.0) .394(10.0) .472(12.0) .787(20.0) .630(16.0) .610(15.5)
3-1437621-5 KB500A1/4 Natural .500(12.7) .433(11.0) .394(10.0) .472(12.0) .787(20.0) .630(16.0) .610(15.5)
3-1437621-9 KB500B1/8 Black .500(12.7) .433(11.0) .394(10.0) .472(12.0) .787(20.0) .630(16.0) .610(15.5)
3-1437621-8 KB500B1/4 Black .500(12.7) .433(11.0) .394(10.0) .472(12.0) .787(20.0) .630(16.0) .610(15.5)
4-1437621-0 KB700A1/4 Natural .750(19.0) .673(17.1) .581(15.0) .705(17.9) .787(20.0) .630(16.0) .610(15.5)
4-1437621-2 KB700B1/4 Black .750(19.0) .673(17.1) .581(15.0) .705(17.9) .787(20.0) .630(16.0) .610(15.5)
4-1437621-4 KB900A1/4 Natural .930(23.6) .866(22.0) .710(18.0) .902(22.9) .787(20.0) .630(16.0) .610(15.5)
4-1437621-5 KB900B1/4 Black .930(23.6) .866(22.0) .710(18.0) .902(22.9) .787(20.0) .630(16.0) .610(15.5)
KBS SERIES
Control Knob with Sawcut Indicator
Tyco
Electronics Alcoswitch Color A B C D E F G
5-1437621-7 KCB500A1/8 Natural .500(12.7) .197(5.08) .374(9.50) .126(3.20) .118(3.00) .335(8.51) .750(19.1)
5-1437621-6 KCB500A1/4 Natural .500(12.7) .197(5.08) .374(9.50) .252(6.40) .118(3.00) .335(8.51) .750(19.1)
5-1437621-9 KCB500B1/8 Black .500(12.7) .197(5.08) .374(9.50) .126(3.20) .118(3.00) .335(8.51) .750(19.1)
5-1437621-8 KCB500B1/4 Black .500(12.7) .197(5.08) .374(9.50) .252(6.40) .118(3.00) .335(8.51) .750(19.1)
6-1437621-0 KCB600A1/8 Natural .618(15.7) .197(5.08) .394(10.0) .126(3.20) .118(3.00) .335(8.51) .750(19.1)
KCB600A1/4 Natural .618(15.7) .197(5.08) .39410.0) .252(6.40) .118(3.00) .335(8.51) .750(19.1)
6-1437621-2 KCB600B1/8 Black .618(15.7) .197(5.08) .394(10.0) .126(3.20) .118(3.00) .335(8.51) .750(19.1)
6-1437621-1 KCB600B1/4 Black .618(15.7) .197(5.08) .394(10.0) .252(6.40) .118(3.00) .335(8.51) .750(19.1)
6-1437621-3 KCB700A1/4 Natural .746(18.8) .197(5.08) .512(13.0) .250(6.35) .118(3.00) .335(8.51) .898(22.8)
6-1437621-4 KCB700B1/4 Black .746(18.8) .197(5.08) .512(13.0) .250(6.35) .118(3.00) .335(8.51) .898(22.8)
6-1437621-5 KCB900A1/4 Natural .937(23.8) .197(5.08) .709(18.0) .250(6.35) .118(3.00) .335(8.51) .898(22.8)
6-1437621-7 KCB900B1/4 Black .937(23.8) .197(5.08) .709(18.0) .250(6.35) .118(3.00) .335(8.51) .898(22.8)
Control Knob with Straight Knurl and Skirt
Tyco
Electronics Alcoswitch Color A B C D E F G
With 0-9 Numerals (36°)
4-1437621-9 KBS500A101/8 Natural .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
KBS500A101/4 Natural .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
5-1437621-3 KBS500B101/8 Black .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
5-1437621-2 KBS500B101/4 Black .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
With Indicator Line
4-1437621-8 KBS500A1/8 Natural .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
4-1437621-7 KBS500A1/4 Natural .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
5-1437621-1 KBS500B1/8 Black .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
5-1437621-0 KBS500B1/4 Black .500(12.7) .433(11.0) .708(18.0) 1.00(25.4) .950(24.1) .826(21.0) .655(16.7)
KB500A1/4
KB900B1/4
120°
NO. 6-32 SET SCREW
2 PLACES
INDICATOR LINE
A
.118
(3.00)
.315
(8.00)
G
.050
(1.53)
D
BC
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
F
E
(LACQUER FILLED)
120°
NO. 6-32
SET SCREW
2 PLACES
INDICATOR
LINE
D
.393
(9.98)
.157
(3.99)
.236
(5.99)
G
ABCD
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
F
E
60°
60°
SAWCUT
INDICATOR
A
.217
(5.51)
.354
(8.99)
NO. 4-40
SET SCREW
2 PLACES F
E
D
BC
G
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
KCB SERIES
KBS500A101/4
KCB700B1/4
KCB500A1/4
K6
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KD SERIES
KE SERIES
Diamond Knurl with Indicator Line
Tyco
Electronics Alcoswitch Color A B C D E F G
7-1437621-1 KD500A1/8 Natural .500(12.7) .430(10.9) .380(9.65) .430(10.9) .630(16.0) .510(13.0) .470(11.9)
7-1437621-0 KD500A1/4 Natural .500(12.7) .430(10.9) .380(9.65) .430(10.9) .630(16.0) .510(13.0) .470(11.9)
7-1437621-3 KD500B1/8 Black .500(12.7) .430(10.9) .380(9.65) .430(10.9) .630(16.0) .510(13.0) .470(11.9)
7-1437621-2 KD500B1/4 Black .500(12.7) .430(10.9) .380(9.65) .430(10.9) .630(16.0) .510(13.0) .470(11.9)
7-1437621-4 KD700A1/4 Natural .750(19.1) .660(16.8) .590(15.0) .660(16.8) .630(16.0) .510(13.0) .470(11.9)
7-1437621-5 KD700B1/4 Black .750(19.1) .660(16.8) .590(15.0) .660(16.8) .630(16.0) .510(13.0) .470(11.9)
7-1437621-6 KD900A1/4 Natural .940(23.9) .820(20.8) .710(18.0) .820(20.8) .630(16.0) .510(13.0) .470(11.9)
7-1437621-7 KD900B1/4 Black .940(23.9) .820(20.8) .710(18.0) .820(20.8) .630(16.0) .510(13.0) .470(11.9)
6-1437621-8 KD1250A1/4 Natural 1.25(31.8) 1.11(28.2) .980(24.9) 1.11(28.2) .750(19.1) .630(16.0) .590(15.0)
6-1437621-9 KD1250B1/4 Black 1.25(31.8) 1.11(28.2) .980(24.9) 1.11(28.2) .750(19.1) .630(16.0) .590(15.0)
KES SERIES
KD1250B1/4
A
INDICATOR
LINE
120°
NO. 6-32
SET SCREW
2 PLACES
.040
(1.02)
G
D
BC
E
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
.040
(1.01)
.080
(2.03)
F
.280
(7.11)
.157
(3.99)
Knurl Grip with Dot Indicator on Skirt
Tyco
Electronics
Alcoswitch Color ABCDEF
8-1437621-4 KES500AB1/8 Ntl. - Blk. .500(12.7) .460(11.7) .382(9.70) .750(19.1) .625(15.9) .512(13.0)
8-1437621-3 KES500AB1/4 Ntl. - Blk. .500(12.7) .460(11.7) .382(9.70) .750(19.1) .625(15.9) .512(13.0)
8-1437621-5 KES700AB1/4 Ntl. - Blk. .750(19.1) .710(18.1) .630(16.0) 1.13(28.7) .625(15.9) .512(13.0)
KES900AB1/4 Ntl. - Blk. .937(23.8) .897(22.8) .787(20.0) 1.44(36.6) .625(15.9) .512(13.0)
Knurl Grip with Top Dot Indicator
Tyco
Electronics
Alcoswitch Color A B C D E F
8-1437621-0 KE500AB1/8 Ntl.- Blk. .500(12.7) .126(3.20) .382(9.70) .460(11.7) .625(15.9) .512(13.0)
7-1437621-9 KE500AB1/4 Ntl.- Blk. .500(12.7) .126(3.20) .382(9.70) .460(11.7) .62515.9) .512(13.0)
8-1437621-1 KE700AB1/4 Ntl. - Blk. .740(18.8) .251(6.38) .630(16.0) .708(18.0) .625(15.9) .512(13.0)
8-1437621-2 KE900AB1/4 Ntl. - Blk. .93(23.8) .251(6.38) .787(20.0) .900(22.9) .625(15.9) .512(13.0)
7-1437621-8 KE1250AB1/4 Ntl. - Blk. 1.25(31.8) .251(6.38) 1.06(26.9) 1.17(29.7) .625(15.9) .512(13.0)
120°
120°
DOT INDICATOR
A
NO. 6-32
SET SCREW
2 PLACES
D
B
C
F
E.157
(3.99)
.150
(3.81)
.256
(6.50)
.100
(2.54)
KE500AB1/4
KE900AB1/4
KES500AB1/4
K7
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
Straight Knurl with Top and Side Indicator
Tyco
Electronics Alcoswitch Color A B C D E F G
9-1437621-7 KLN500A1/8 Natural .500(12.7) 0.445(11.3) .374(9.50) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
9-1437621-6 KLN500A1/4 Natural .500(12.7) 0.445(11.3) .374(9.50) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
9-1437621-9 KLN500B1/8 Black .500(12.7) 0.445(11.3) .374(9.50) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
9-1437621-8 KLN500B1/4 Black .500(12.7) 0.445(11.3) .374(9.50) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-1 KLN500S1/4 Smoke .500(12.7) 0.445(11.3) .374(9.50) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-2 KLN700A1/4 Natural .740(18.8) .685(17.4) .591(15.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-3 KLN700B1/4 Black .740(18.8) .685(17.4) .591(15.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-4 KLN700B1/8 Black .740(18.8) .685(17.4) .591(15.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-5 KLN700S1/4 Smoke .740(18.8) .685(17.4) .591(15.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-6 KLN900A1/4 Natural .937(23.8) .882(22.4) 0.709(18.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-7 KLN900B1/4 Black .937(23.8) .882(22.4) 0.709(18.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
1437622-8 KLN900S1/4 Smoke .937(23.8) .882(22.4) 0.709(18.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
9-1437621-4 KLN1250A1/4 Natural 1.252(31.80) 1.195(30.35) .984(25.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
9-1437621-5 KLN1250B1/4 Black 1.252(31.80) 1.195(30.35) .984(25.0) .281(7.14) .625(15.9) .512(13.0) .527(13.4)
KFS SERIES
Straight Knurl with Indicator on Skirt
Tyco
Electronics
Alcoswitch Color A B C D E F G
8-1437621-6 KFS400B1/8 Black Matte .380(9.65) .382(9.70) .256(6.50) .500(12.7) .098(2.49) .469(11.9) 0.591(15.0)
8-1437621-8 KFS500B1/8 Black Matte .500(12.7) .382(9.70) .252(6.48) .630(16.0) .161(4.09) .469(11.9) .630(16.0)
8-1437621-7 KFS500B1/4 Black Matte .618(15.7) .280(7.11) .382(9.70) 1.00(25.4) .161(4.09) .630(16.0) 0.811(20.6)
8-1437621-9 KFS600B1/4 Black Matte .618(15.7) .280(7.11) .382(9.70) 1.00(25.4) .161(4.09) .630(16.0) 0.811(20.6)
KHF SERIES
Plain Body with Top and Side Sawcut Indicator
Tyco
Electronics
Alcoswitch Color A B C D E
9-1437621-1 KHF500A1/4 Natural .500(12.7) .374(9.50) .118(3.00) .342(8.69) .563(14.3)
9-1437621-2 KHF700A1/4 Natural .740(18.8) .590(15.0) .118(3.00) .592(15.0) .563(14.3)
9-1437621-3 KHF900A1/4 Natural .937(23.8) .708(18.0) .118(3.00) .779(19.8) .563(14.3)
9-1437621-0 KHF1250A1/4 Natural 1.23(31.8) .984(25.0) .118(3.00) 1.08(27.5) .563(14.3)
KLN SERIES
KFS400B1/8
90°
90°
INDICATOR
LINE
DA
NO. 6-32 
SET SCREW
2 PLACES, 
EXCEPT
KFS400B1/8:
NO. 4-40 
SET SCREW
2 PLACES
B
G
F
E
C
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
KHF900A1/4
KHF500A1/4
SAWCUT INDICATOR
A
.050
(1.27)
NO. 6-32
SET SCREW
2 PLACES
D
C
E
.040
(1.02)
.374
(9.40)
.390
(9.91)
.250
(6.35)
B
.040
(1.02)
120°
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
120°
120°
NO. 6-32
SET SCREW
2 PLACES
INDICATOR
LINE
AB
C
E
G
D
.157
(3.99)
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
F
KLN500A1/4
KHF500, 700, 900 1 set screw
*
*
K8
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KLNS SERIES
Straight Knurl with Indicator Line on Top, Side and Skirt
Tyco
Electronics
Alcoswitch Color A B C D E F G
1-1437622-6 KLNS500A1/8 Natural .500(12.7) .280(7.11) .380(9.65) .750(19.0) .160(4.07) .630(16.0) .510(13.0)
1-1437622-5 KLNS500A1/4 Natural .500(12.7) .280(7.11) .380(9.65) .750(19.0) .160(4.07) .630(16.0) .510(13.0)
1-1437622-8 KLNS500B1/8 Black .500(12.7) .280(7.11) .380(9.65) .750(19.0) .160(4.07) .630(16.0) .510(13.0)
1-1437622-7 KLNS500B1/4 Black .500(12.7) .280(7.11) .380(9.65) .750(19.0) .160(4.07) .630(16.0) .510(13.0)
2-1437622-0 KLNS700A1/4 Natural .750(19.0) .280(7.11) .590(14.9) 1.13(28.7) .160(4.07) .630(16.0) .510(13.0)
2-1437622-1 KLNS700B1/4 Black .750(19.0) .280(7.11) .590(14.9) 1.13(28.7) .160(4.07) .630(16.0) .510(13.0)
2-1437622-2 KLNS900A1/4 Natural .940(23.9) .280(7.11) .710(18.0) 1.40(35.5) .160(4.07) .630(16.0) .510(13.0)
2-1437622-3 KLNS900B1/4 Black .940(23.9) .280(7.11) .710(18.0) 1.40(35.5) .160(4.07) .630(16.0) .510(13.0)
KN SERIES
Straight Knurl with Arrowhead Indicator
Tyco
Electronics
Alcoswitch Color A B C D E F G
5-1437622-1 KN501A1/8 Natural .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
5-1437622-0 KN501A1/4 Natural .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
5-1437622-3 KN501B1/8 Black .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
5-1437622-2 KN501B1/4 Black .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
6-1437622-2 KN701A1/4 Natural .750(19.1) .695(17.7) .590(15.0) 695(17.7) .625(15.9) .512(13.0) .456(11.58)
6-1437622-3 KN701B1/4 Black .750(19.1) .695(17.7) .590(15.0) 695(17.7) .625(15.9) .512(13.0) .456(11.58)
Two Toned Body-Top
5-1437622-5 KN501BA1/8 Blk. - Ntl. .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
5-1437622-4 KN501BA1/4 Blk. - Ntl. .500(12.7) .445(11.3) .374(9.50) .445(11.3) .625(15.9) .512(13.0) .456(11.58)
6-1437622-5 KN701BA1/8 Blk. - Ntl. .750(19.1) .695(17.7) .590(15.0) 695(17.7) .625(15.9) .512(13.0) .456(11.58)
6-1437622-4 KN701BA1/4 Blk. - Ntl. .750(19.1) .695(17.7) .590(15.0) 695(17.7) .625(15.9) .512(13.0) .456(11.58)
KN SERIES
KLNS900B1/4
KLNS500B1/8
120°120°
INDICATOR
LINE
CD
A
G
F
B
E
NO. 6-32
SET SCREW
2 PLACES
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
Straight Knurl with & without “Fingertip” Spinner
Tyco
Electronics
Alcoswitch Color A B C D E F G
Less Indicator
3-1437622-2 KN1751A1/4 Natural 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.0) .508(12.9) .480(12.2)
3-1437622-6 KN1751B1/4 Black 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
Two Toned Body - Top
3-1437622-3 KN1751AB1/4 Ntl. - Blk. 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
3-1437622-7 KN1751BA1/4 Blk. - Natural 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
With Indicator KN1750A1/4 Natural 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
3-1437622-1 KN1750B1/4 Black 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
With Spinner/Less Indicator
3-1437622-5 KN1751AS1/4 Natural 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
3-1437622-8 KN1751BS1/4 Black 1.75(44.5) 1.55(39.4) 1.38(35.1) 1.65(41.9) .620(15.8) .508(12.9) .480(12.2)
KN1751B1/4
KN1751AS1/4
A
120°
SPINNER (MODEL
KN-1751S ONLY)
NO. 6-32
SET SCREW
2 PLACES
CB
D
.738
(18.8)
E
G
.512
(13.00)
.157
(3.99)
.281
(7.14) F
1/4" SHAFT=.251" (6.38)
BCD
G
E
2.80
(7.11)
.080
(2.03)
.281
(7.14)
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
F
A 120°
ARROW
INDICATOR
NO. 6-32 SET SCREW
2 PLACES
KN501A1/4
K9
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KN SERIES
Concentric Set with Straight Knurl with Indicator Lines
Tyco
Electronics
Alcoswitch Color A B C D E F G
5-1437622-6 KN5700A1/4 Natural .750(19.1) .500(12.7) .590(15.0) .700(17.8) .625(15.9) 1.16(29.5) .281(7.14)
5-1437622-7 KN5700B1/4 Black .750(19.1) .500(12.7) .590(15.0) .700(17.8) .625(15.9) 1.16(29.5) .281(7.14)
KN SERIES
120°
E
NO. 6-32 SET SCREW
2 PLACES
INDICATOR LINE
(except KN-1251)
AG
B
DC
F
.157
(3.99)
.280
(7.11)
KN500A1/4 KN900BA1/4
KN5700B1/4
120°
TOP: 1/8" SHAFT=.126" (3.20)
BOTTOM: 1/4" SHAFT=.251" (6.38)
INDICATOR
LINE
NO. 6-32
SET SCREW
4 PLACES
C
E
G
F
D
B
A
.157
(3.99)
.810
(20.60)
Straight Knurl with “Crank” Spinner
Tyco Color
Electronics Alcoswitch Body-Top/Spin A B C D E F G
KN1755AS1/4 Natural 1.76(44.7) 1.56(39.5 .138(35.0) 1.65(41.8) .630(16.0) .512(13.0) .492(12.5)
4-1437622-1 KN1755BS1/4 Black 1.76(44.7) 1.56(39.5) .138(35.0) 1.65(41.8) .630(16.0) .512(13.0) .492(12.5)
3-1437622-9 KN1755ABS1/4 Ntl.-Blk./Blk. 1.76(44.7) 1.56(39.5) 1.38(35.0) 1.65(41.8) .630(16.0) .512(13.0) .492(12.5)
4-1437622-0 KN1755BAS1/4 Blk.-Ntl. Blk. 1.76(44.7) 1.56(39.5) 1.38(35.0) 1.65(41.8) .630(16.0) .512(13.0) .492(12.5)
120°
NO. 6-32
SET SCREW
2 PLACES
AF
B
C
D
E
G
.512
(13.00)
.157
(3.99)
.276
(7.01)
.315
(8.00)
1/4" SHAFT=.251" (6.38)
KN SERIES
Straight Knurl with & without Indicator Line
Diameter Dimensions
Tyco Color
Electronics Alcoswitch Body-Top A B C D E F G
4-1437622-3 KN500A1/8 Natural .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-2 KN500A1/4 Natural .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-7 KN500B1/8 Black .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-6 KN500B1/4 Black .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
5-1437622-8 KN700A1/4 Natural .750(19.1) .695(17.7) .590(15.0) .695(17.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-0 KN700B1/4 Black .750(19.1) .695(17.7) .590(15.0) .695(17.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-6 KN900A1/4 Natural .949(24.1) .894(22.7) .696(17.7) .894(22.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-8 KN900B1/4 Black .949(24.1) .894(22.7) .696(17.7) .894(22.7) .625(15.9) .512(13.0) .456(11.7)
2-1437622-5 KN1250A1/4 Natural 1.25(31.8) 1.20(30.5) .984(25.0) 1.20(30.5) .625(15.9) .512(13.0) .456(11.6)
2-1437622-7 KN1250B1/4 Black 1.25(31.8) 1.20(30.5) .984(25.0) 1.20(30.5) .625(15.9) .512(13.0) .456(11.6)
Two-Toned
4-1437622-5 KN500AB1/8 Ntl - Blk. .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-4 KN500AB1/4 Ntl - Blk.. .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-9 KN500BA1/8 Blk. - Ntl. .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
4-1437622-8 KN500BA1/4 Blk. - Ntl. .500(12.7) .445(11.3) .374(9.50) .445(11.5) .625(15.9) .512(13.0) .456(11.6)
5-1437622-9 KN700AB1/4 Ntl - Blk.. .750(19.1) .695(17.7) 445(11.5) .695(17.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-1 KN700BA1/4 Blk. - Ntl. .750(19.1) .695(17.7) 445(11.5) .695(17.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-7 KN900AB1/4 Ntl - Blk.. .949(24.1) .89422.7) .695(17.7) ..894(22.7) .625(15.9) .512(13.0) .456(11.6)
6-1437622-9 KN900BA1/4 Blk. - Ntl. .949(24.1) .894(22.7) .695(17.7) .894(22.7) .625(15.9) .512(13.0) .456(11.7)
2-1437622-6 KN1250AB1/4 Ntl - Blk.. 1.25(31.8) 1.20(30.5) .984(25.0) 1.20(30.5) .625(15.9) .512(13.0) .456(11.6)
2-1437622-8 KN1250BA1/4 Blk. - Ntl. 1.25(31.8) 1.20(30.5) .984(25.0) 1.20(30.5) .625(15.9) .512(13.0) .456(11.6)
Less Indicator
2-1437622-9 KN1251A1/4 Natural 1.25(31.8) 1.20(30.5) .984(25.0) 1.25(31.7) .625(15.9) .512(13.0) .456(11.7)
3-1437622-0 KN1251B1/4 Black 1.25(31.8) 1.20(30.5) .984(25.0) 1.25(31.7) .625(15.9) .512(13.0) .456(11.7)
KN1755BS1/4
K10
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Straight Knurl with Pointer and Indicator Line
Tyco Color
Electronics Alcoswitch Body-Top A B C D E F G
9-1437622-1 KPN500A1/8 Natural .500(12.7) .445(11.3) .372(9.45) .445(11.3) .368(9.35) .195(4.95) .354(8.99)
9-1437622-0 KPN500A1/4 Natural .500(12.7) .445(11.3) .372(9.45) .445(11.3) .368(9.35) .195(4.95 .354(8.99)
9-1437622-3 KPN500B1/8 Black .500(12.7) .445(11.3) .372(9.45) .445(11.3) .368(9.35) .195(4.95 .354(8.99)
9-1437622-2 KPN500B1/4 Black .500(12.7) .445(11.3) .372(9.45) .445(11.3) .368(9.35) .195(4.95 .354(8.99)
9-1437622-5 KPN700A1/4 Natural .750(19.1) .695(17.65) .590(15.0) .695(17.7) .515(13.1) .234(5.94) .394(10.0)
9-1437622-6 KPN700B1/4 Black .750(19.1) .695(17.65) .590(15.0) .695(17.7) .515(13.1) .234(5.94) .394(10.0)
9-1437622-7 KPN900A1/4 Natural .937(23.8) .882(22.40) .692(17.6) .882(22.4) .630(16.0) .276(7.01) .350(8.90)
9-1437622-9 KPN900B1/4 Black .937(23.8) .882(22.40) .692(17.6) .882(22.4) .630(16.0) .276(7.01) .350(8.90)
Knobs, Machined Aluminum
KNS SERIES
Straight Knurl with Arrowhead Indicator on Skirt
Tyco
Electronics Alcoswitch Color A B C D E F G
7-1437622-3 KNS501A1/8 Natural .500(12.7) .445(11.3) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
7-1437622-2 KNS501A1/4 Natural .500(12.7) .445(11.3) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
7-1437622-5 KNS501B1/8 Black .500(12.7) .445(11.3) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
7-1437622-4 KNS501B1/4 Black .500(12.7) .445(11.3) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
7-1437622-8 KNS701A1/4 Natural .750(19.1) .695(17.7) .590(15.0) 1.12(28.5) .625(15.9) .512(13.0) .428(10.9)
7-1437622-9 KNS701B1/4 Black .750(19.1) .695(17.7) .590(15.0) 1.12(28.5) .625(15.9) .512(13.0) .428(10.9)
Two-Toned Body-Top/Skirt
7-1437622-7 KNS501BA1/8 Blk.- Ntl. .500(12.7) .695(17.7) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
7-1437622-6 KNS501BA1/4 Blk.- Ntl. .500(12.7) .695(17.7) .370(9.40) .750(19.1) .625(15.9) .512(13.0) .428(10.9)
8-1437622-1 KNS701BA1/8 Blk. - Ntl. .750(19.1) .695(17.7) .590(15.0) 1.12(28.5) .625(15.9) .512(13.0) .428(10.9)
8-1437622-0 KNS701BA1/4 Blk.- Ntl. .750(19.1) .695(17.7) .590(15.0) 1.12(28.5) .625(15.9) .512(13.0) .428(10.9)
KPN SERIES
A 120°
ARROW
INDICATOR
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
BC
G
D
E
.030
(.762)
.120
(3.05)
.150
(3.81)
NO. 6-32
SET SCREW
2 PLACES
.281
(7.14)
F
KS SERIES
NO. 6-32 SET SCREW
2 PLACES
AB
E
F
POINTER
120°
C
G
D
.315
(8.00)
.550
(14.00) .118
(3.00)
.070
(1.78) .480
(12.20)
.625
(15.90)
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.38)
KNS701B1/4
KNS701BA1/4
KPN500B1/8
3 Flute Design with Aluminum Skirt and Indicator Line
Tyco
Electronics Alcoswitch Color A B C D E F G
1437623-3 KS500A1/8 Natural .500(12.7) .430(10.9) .360(9.14) .750(19.1) .620(15.8) .510(13.0) .430(10.9)
1437623-2 KS500A1/4 Natural .500(12.7) .430(10.9) .360(9.14) .750(19.1) .620(15.8) .510(13.0) .430(10.9)
1437623-5 KS500B1/8 Black .500(12.7) .430(10.9) .360(9.14) .750(19.1) .620(15.8) .510(13.0) .430(10.9)
1437623-4 KS500B1/4 Black .500(12.7) .430(10.9) .360(9.14) .750(19.1) .620(15.8) .510(13.0) .430(10.9)
1437623-6 KS700A1/4 Natural .750(19.0) .650(16.5) .590(14.9) 1.12(28.4) .620(15.8) .510(13.0) .430(10.9)
1437623-7 KS700B1/4 Black .750(19.0) .650(16.5) .590(14.9) 1.12(28.4) .620(15.8) .510(13.0) .430(10.9)
1437623-8 KS900A1/4 Natural .940(23.9) .820(20.8) .710(18.0) 1.40(35.6) .620(15.8) .510(13.0) .430(10.9)
1437623-9 KS900B1/4 Black .940(23.9) .820(20.8) .710(18.0) 1.40(35.6) .620(15.8) .510(13.0) .430(10.9)
KS500A1/4
KS900B1/4
1/4" SHAFT=.251" (6.37)
BA C
G
D
E
.031
(.760)
.186
(4.72)
.160
(4.06)
NO. 6-32
SET SCREW
2 PLACES .281
(7.14)
INDICATOR LINE F
120°
KNS501A1/4
K11
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
K Series
K
K Series
Knobs, Machined Aluminum
KT SERIES
Serrated Diamond Trim Cut with Dot Indicator
Tyco
Electronics Alcoswitch Color A B C D E F G
2-1437623-9 KUS402B1/8 Black .374(9.50) .197(5.00) .276(7.01) .520(13.2) .098(2.49) .450(11.4) .354(8.99)
3-1437623-0 KUS500B1/8 Black .500(12.7) .276(7.01 .374(9.50) .700(17.8) .118(3.00) .600(15.2) .512(13.0)
KUS500B1/4 Black .500(12.7) .276(7.01) .374(9.50) .700(17.8) .118(3.00) .600(15.2) .512(13.0)
3-1437623-1 KUS700B1/4 Black .740(18.8) .276(7.01) .591(15.0) 1.03(26.2) .118(3.00) .600(15.2) .512(13.0)
120°
120°
INDICATOR DOT
CD
A
G
F
BE
NO. 6-32
SET SCREW
2 PLACES
Serrated Diamond Trim Cut with Dot Indicator
Tyco
Electronics Alcoswitch Color A B C D E F G
2-1437623-1 KU401B1/8 Black .374(9.50) .283(7.19) .276(7.01) .098(2.49) .177(4.50) .236(5.99) .299(7.60)
2-1437623-2 KU402B1/8 Black .374(9.50) .283(7.19) .276(7.01) .098(2.49) .197(5.00) .354(8.99) .449(11.40)
2-1437623-3 KU500B1/8 Black .500(12.7) .409(10.4) .374(9.50) .118(3.00) .276(7.01) .512(13.0) .598(15.2)
KU500B1/4 Black .500(12.7) .409(10.4) .374(9.50) .118(3.00) .276(7.01) .512(13.0) .598(15.2)
2-1437623-4 KU700B1/4 Black .740(18.8) .650(16.5) .591(15.0) .118(3.00) .276(7.01) .512(13.0) .598(15.2)
Square Serration with Indicator Line
Tyco
Electronics Alcoswitch Color A B C D E F G
1-1437623-2 KT500A1/4 Natural .500(12.7) .430(10.9) .375(953) .430(10.9) .280(7.11) .510(13.0) .630(16.0)
1-1437623-4 KT500B1/8 Black .500(12.7) .430(10.9) .375(9.53) .430(10.9) .280(7.11) .510(13.0) .630(16.0)
1-1437623-3 KT500B1/4 Black .500(12.7) .430(10.9) .375(9.53) .430(10.9) .280(7.11) .510(13.0) .630(16.0)
1-1437623-6 KT700A1/4 Natural .740(18.8) .650(16.5) .590(15.0) .650(16.5) .280(7.11) .510(13.0) .630(16.0)
1-1437623-7 KT700B1/4 Black 740(18.8) .650(16.5) .590(15.0) .650(16.5) .280(7.11) .510(13.0) .630(16.0)
1-1437623-8 KT900A1/4 Natural .940(23.9) .816(20.7) .710(18.0) .816(20.7) .280(7.11) .510(13.0) .630(16.0)
1-1437623-9 KT900B1/4 Black .940(23.9) .816(20.7) .710(18.0) .816(20.7) .280(7.11) .510(13.0) .630(16.0)
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
120°
120°
NO. 6-32
SET SCREW
2 PLACES
INDICATOR LINE
ABC
.160
(4.06)
FE
D
G
120°
120°
A
B
WHITE 
INDICATOR DOT
120°
120°
A
WHITE 
INDICATOR DOT
C
G
FE
D
1/8" SHAFT=.126" (3.20)
1/4" SHAFT=.251" (6.37)
NO. 6-32
SET SCREW
2 PLACES
Note: KU401B1/8 and KU402B1/8 
use one set screw only.
Located 180° from indicator dot.
Note: KUS402B1/8 has #4.40 setscrew
KT500A1/4
KT700A1/4
KU SERIES
KUS SERIES
KUS402B1/8
KU402B1/8
KUS700B1/4
K12
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
WHITE INDICATOR
DOT
A
SPUN ALUMINUM
INLAY
NO. 6-32
SET SCREW
B
D
E
F
C
NO. 6-32
SET SCREW
WHITE INDICATOR
DOT
A
B
D
E
F
C
SPUN ALUMINUM INLAY
SPUN ALUMINUM INLAY
NO. 6-32
SET SCREW
A
B
F
D
E
C
Knobs, Molded Phenolic
PK SERIES
Straight Knurl Less Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
1437624-2 PH15181/4 .996(25.3) .972(24.7) .799(20.3) .472(12.0) .669(17.0) .157(3.99)
Serrated with Dot Indicator on Top
Tyco
Electronics Alcoswitch A B C D E F
1437624-4 PK1100B1/8 .700(17.8) .643(16.3) .565(14.35) .125(3.18) .453(11.51) .530(13.5)
Straight Knurl with Dot Indicator on Skirt
Tyco
Electronics Alcoswitch A B C D E F
1437624-7 PK50B1/8 .748(19.0) .570(14.5) .500(12.70) .055(1.40) .460(11.7) .550(13.97)
1437624-6 PK50B1/4 .748(19.0) .570(14.5) .500(12.70) .055(1.40) .460(11.7) .550(13.97)
1437624-8 PK70B1/4 .984(25.0) .728(18.5) .710(18.03) .079(2.01) .500(12.7) .590(14.99)
1437624-9 PK90B1/4 1.25(31.8) .985(25.0) .870(22.01) .098(2.49) .470(11.9) .595(15.10)
PK SERIES
PK50B1/8
PK701/4
PK1100B1/4
PH SERIES
PH15181/4
K13
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
Knobs, Molded Phenolic
Ribbed with Skirt and Pointer with Indicator Line
Tyco
Electronics Alcoswitch ABCDEF
1-1437624-8 PKAP50B1/4 .787(20.0) .693(17.6) .508(12.9) .082(2.08) .579(14.7) .689(17.5)
1-1437624-9 PKAP50B1/8 .787(20.0) .693(17.6) .508(12.9) .082(2.08) .579(14.7) .689(17.5)
2-1437624-0 PKAP70B1/4 .976(24.8) .874(22.1) .668(17.0) .158(4.01) .634(16.1) .737(18.72)
PKAP SERIES
NO. 6-32
SET SCREW
WHITE INDICATOR
LINE
90°
B
D
E
F
CA
SPUN ALUMINUM 
INLAY
PKAP-50B
ONE SET 
SCREW
90°
Ribbed with Line Indicator on Skirt
Tyco
Electronics Alcoswitch A B C D E F
1-1437624-1 PKA50B1/8 .795(20.2) .580(14.7) .540(13.7) .080(2.03) .450(11.4) .590(15.0)
1-1437624-0 PKA50B1/4 .795(20.2) .580(14.7) .540(13.7) .080(2.03) .450(11.4) .590(15.0)
1-1437624-4 PKA55B1/8 .780(19.8) .580(14.7) .475(12.1) .135(3.43) .585(14.9) .675(17.2)
1-1437624-3 PKA55B1/4 .780(19.8) .580(14.7) .475(12.1) .135(3.43) .585(14.9) .675(17.2)
1-1437624-5 PKA70B1/4 .980(24.9) .740(18.8) .680(17.3) .118(3.00) .650(16.5) .750(19.1)
1-1437624-7 PKA90B1/4 1.375(34.9) .970(24.6) .670(17.0) .195(4.95) .750(19.1) .840(21.3)
NO. 6-32
SET SCREW
WHITE INDICATOR
LINE
A
90°
B
D
E
F
C
SPUN ALUMINUM 
INLAY
PKA-50B & 70B
ONE SET SCREW
PKA-90B
TWO SET SCREWS
PKA SERIES
PKA50B1/4
PKAP50B1/8
PKAP90B1/4
PKA90B1/4
K14
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
Knobs, Molded Phenolic
Straight Knurl Skirt w/0-10 Numerals
Tyco
Electronics Alcoswitch ABCDEF
3-1437624-0 PKD60B101/8 .780(19.8) .566(14.4) .487(12.4) .059(1.5) .492(12.5) .563(14.3)
2-1437624-9 PKD60B101/4 .780(19.8) .566(14.4) .487(12.4) .059(1.5) .492(12.5) .563(14.3)
3-1437624-2 PKD70B101/4 1.02(25.9) .750(19.1) .700(17.8) .080(2.0) .490(12.5) .610(15.5)
2-1437624-6 PKD100B101/4 1.29(32.8) 1.00(25.4) .865(22.0) .050(1.3) .500(12.7) .590(15.0)
PKD SERIES
PKD SERIES
Fluted with Indicator Line On Skirt
Tyco
Electronics Alcoswitch A B C D E F
2-1437624-3 PKB70B1/4 1.12(28.3) .750(19.1) .670(17.0) .118(3.0) .490(12.5) .600(15.2)
2-1437624-4 PKB90B1/4 1.50(38.1) 1.02(25.8) .800(20.3) .118(3.0) .705(17.9) .820(20.8)
NO. 6-32
SET SCREW
BLACK ARROW
INDICATOR
A
B
D
E
F
C
SPUN ALUMINUM INLAY
Straight Knurl Aluminum Skirt w/Arrow Indicator
Tyco
Electronics Alcoswitch A B C D E F
2-1437624-8 PKD60B1/8 .780(19.8) .566(14.4) .487(12.4) .059(1.5) .492(12.5) .563(14.3)
2-1437624-7 PKD60B1/4 .780(19.8) .566(14.4) .487(12.4) .059(1.5) .492(12.5) .563(14.3)
3-1437624-1 PKD70B1/4 1.02(25.9) .750(19.1) .700(17.8) .080(2.0) .490(12.5) .610(15.5)
2-1437624-5 PKD100B1/4 1.29(32.8) 1.00(25.4) .865(22.0) .050(1.3) .500(12.7) .590(15.0)
NO. 6-32
SET SCREW
A
B
D
E
F
C
SPUN ALUMINUM INLAY
30°
6
7
8
9
10
5
4
3
2
1
0
PKD60B1/4
PKB SERIES
PKD100B1/4
PKB90B1/4
PKD60B101/8
PKD100B101/4
E
D
C
F
B
A
No. 6-32
Set Screw
K15
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
WHITE INDICATOR
LINE
PKES-60B, 70B, 90B, 120B
ONE SET SCREW
SPUN ALUMINUM
INLAY
NO. 6-32
SET SCREW
C
A
105°
B
D
E
F
NO. 6-32
SET SCREW
B
D
E
F
C
A
30°
6
7
8
9
10
5
4
3
2
1
0
NO. 6-32
SET SCREW
B
D
E
F
C
BLACK ARROW
INDICATOR
A
Knobs, Molded Phenolic
PKDT SERIES
Fluted with Skirt and Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
5-1437624-1 PKES60B1/8 .748(19.0) 618(15.7) .460(11.7) .090(2.29) .370(9.40) .470(11.9)
5-1437624-0 PKES60B1/4 .748(19.0) .618(15.7) .460(11.7) .090(2.29) .370(9.40) .470(11.9)
5-1437624-2 PKES70B1/4 .855(21.7) .744(18.9) .705(17.9) .080(2.03) .421(10.7) .526(13.4)
5-1437624-3 PKES90B1/4 1.01(25.7) .889(22.6) .846(21.5) .079(2.01) .421(10.7) .570(14.5)
4-1437624-6 PKES120B1/4 1.30(32.9) 1.16(29.5) 1.02(25.9) .118(3.00) .500(12.7) .628(16.0)
4-1437624-7 PKES140B1/4 1.50(38.1) 1.37(34.9) 1.22(30.9) .118(3.00) .540(13.7) .693(17.6)
4-1437624-8 PKES150B1/4 1.77(44.9) 1.55(39.4) 1.41(35.9) .118(3.00) .733(18.6) .831(21.1)
PKDT SERIES
Black Spin Cap with “Diamond Cut” & 0-10 Numerals
Tyco
Electronics Alcoswitch A B C D E F
3-1437624-8 PKDT60B101/8 .778(19.8) .605(15.4) .560(12.5) .060(1.53) .392(9.96) .562(14.3)
4-1437624-0 PKDT70B101/4 1.03(26.0) .738(18.8) .720(18.3) .098(2.49) .500(12.7) .635(16.1)
3-1437624-4 PKDT100B101/4 1.29(32.8) 1.02(25.9) .860(21.8) .042(1.07) .500(12.7) .638(16.2)
PKE SERIES
Fluted with Indicator Line
Tyco
Electronics Alcoswitch A B C D E
4-1437624-4 PKE60B1/8 .626(15.9) .472(12.0) .091(2.31) .394(10.0) .472(12.0)
4-1437624-3 PKE60B1/4 .626(15.9) .472(12.0) .091(2.31) .394(10.0) .472(12.0)
4-1437624-5 PKE90B1/4 .890(22.6) .724(18.4) .098(2.49) .480(12.2) .512(13.0)
PKES SERIES
WHITE INDICATOR
LINE
SPUN ALUMINUM
INLAY
NO. 6-32
SET SCREW
C
D
E
B
A
PKDT100B101/4
PKES70B1/4
PKDT100B1/4
PKE60B1/8
PKE90B1/4
PKES60B1/4
Black Spin Cap with “Diamond Cut” and Arrow Indicator
Tyco
Electronics Alcoswitch A B C D E F
3-1437624-9 PKDT70B1/4 1.03(26.0) .738(18.8) .720(18.3) .098(2.49) .500(12.7) .635(16.1)
3-1437624-3 PKDT100B1/4 1.29(32.8) 1.02(25.9) .860(21.8) .042(1.07) .500(12.7) .638(16.2)
K16
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
Knobs, Molded Phenolic
Ribbed with Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
5-1437624-9 *PKG40B1/8 .437(11.1) .410(10.4) .304(7.72) .079(2.00) .385(9.78) .472(12.0)
6-1437624-1 PKG50B1/8 .551(14.0) .500(12.7) .442(10.7) .056(1.42) .395(10.03) .512(13.0)
6-1437624-0 PKG50B1/4 .551(14.0) .500(12.7) .442(10.7) .056(1.42) .395(10.03) .512(13.0)
*Note: Knob uses #4-40 set screw
PKF SERIES
PKG SERIES
Plain Quadrate with Indicator Line & Arrow
Tyco
Electronics Alcoswitch A B C D
5-1437624-5 PKF50B1/8 .670(17.0) .454(11.53) .570(14.48) .520(13.2)
SPUN ALUMINUM INLAY
180˚
PKF-50B
ONE SET SCREW
#6-32
WHITE INDICATOR LINE
BCA
D
0.65
(16.5)
0.12
(3.05)
WHITE INDICATOR LINE
SPUN
ALUMINUM
INLAY
A
PKG-40 THRU 70
ONE SET SCREW
˜
E
F
NO. 6-32
SET SCREW
BC
D
PKF50B1/8
PKG40B1/8
K17
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
WHITE INDICATOR LINE
SPUN
ALUMINUM
INLAY
A
PKG-40 THRU 70
ONE SET SCREW
˜
E
F
NO. 6-32
SET SCREW
BC
D
WHITE INDICATOR LINE
SPUN
ALUMINUM
INLAY
A
PKG-90 THRU 125
TWO SET SCREW
˜
E
F
NO. 6-32
SET SCREW
BC
D
90˚
˜
WHITE INDICATOR LINE
SPUN ALUMINUM INLAY
A
C
D
E
B
NO. 6-32
SET SCREW
F
A
˜
E
F
NO. 6-32
SET SCREW
BC
D
WHITE INDICATOR LINE
SPUN 
ALUMINUM 
INLAY
0.55
(14.0)
Knobs, Molded Phenolic
PKG SERIES
Straight Knurl with Bar Pointers and Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
7-1437624-5 PKJ50B1/8 .500(12.7) .512(13.0) .420(10.7) .577(14.7) .429(10.9) .113(2.9)
7-1437624-4 *PKJ50B1/4 .500(12.7) .512(13.0) .420(10.7) .577(14.7) .429(10.9) .113(2.9)
7-1437624-6 PKJ60B1/4 .630(16.0) .530(13.5) .468(11.9) .758(19.3) .440(11.2) .110(2.8)
7-1437624-7 PKJ70B1/4 .760(19.3) .555(14.1) .545(13.8) .915(23.2) .450(11.4) .118(3.0)
*Note: Knob uses #4-40 set screw
Ribbed with Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
6-1437624-6 PKG60B1/8 .660(16.8) .615(15.6) .551(14.0) .080(2.03) .430(10.9) .551(14.0)
6-1437624-5 PKG60B1/4 .660(16.8) .615(15.6) .551(14.0) .080(2.03) .430(10.9) .551(14.0)
6-1437624-8 PKG70B1/8 .740(18.8) .698(17.7) .591(15.0) .080(2.03) .453(11.5) .559(14.2)
6-1437624-7 PKG70B1/4 .740(18.8) .698(17.7) .591(15.0) .080(2.03) .453(11.5) .559(14.2)
PKG SERIES
Ribbed with Indicator Line
Tyco
Electronics Alcoswitch A B C D E F
7-1437624-0 PKG90B1/8 .862(21.9) .811(20.6) .710(18.0) .080(2.03) .450(11.4) .550(13.97)
6-1437624-9 PKG90B1/4 .862(21.9) .811(20.6) .710(18.0) .080(2.03) .450(11.4) .550(13.97)
5-1437624-7 PKG100B1/4 1.055(26.80) 1.01(25.5) .920(23.4) .080(2.03) .430(10.9) .555(14.1)
5-1437624-8 PKG1255B1/4 1.248(31.70) 1.20(30.4) .690(17.5) .080(2.03) .430(10.9) .565(14.4)
PKGP SERIES
Ribbed with Bar Pointers and Indicator Line
Tyco
ElectronicsAlcoswitch A B C D E F
7-1437624-2 PKGP70B1/4 .740(18.8) .700(17.8) .590(15.0) .990(25.2) .080(2.03) .460(11.7)
7-1437624-3 PKGP90B1/4 .860(21.8) .810(20.6) .700(17.8) 1.28(32.5) .080(2.03) .460(11.7)
7-1437624-1 PKGP100B1/4 1.05(26.2) 1.00(25.4) .900(22.9) 1.62(41.2) .080(2.03) .480(12.2)
PKJ SERIES
PKG70B1/8
PKG90B1/4
PKGP70B1/4
PKJ50B1/8
PKJ70B1/4
K18
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
˜
WHITE INDICATOR LINE
SPUN ALUMINUM
CAP
A
C
D
E
B
NO. 6-32
SET SCREW
F
A
C
D
E
B
NO. 6-32
SET SCREW
F
A
C
D
E
B
NO. 6-32
SET SCREW
PHENOLIC
EXTENDS
THRU SHELL
F
Knobs, Molded Phenolic
Straight Knurl with Bar Pointer & Indicator Line and Aluminum Spin Cap
Tyco
Electronics Alcoswitch A B C D E F
7-1437624-9 PKJT50B1/8 .515(13.1) .585(14.9) .350(8.89) .595(15.1) .414(10.5) .130(3.30)
7-1437624-8 *PKJT50B1/4 .515(13.1) .585(14.9) .350(8.89) .595(15.1) .414(10.5) .130(3.30)
8-1437624-0 PKJT60B1/4 .640(16.3) .605(15.4) .470(11.9) .760(19.3) .445(11.3) .118(3.00)
8-1437624-1 PKJT70B1/4 .760(19.3) .625(15.9) .550(14.0) .915(23.2) .445(11.3) .118(3.00)
PKJT SERIES
PKNT SERIES
Black Spin Cap with “Diamond Cut” Less Indicator
Tyco
Electronics Alcoswitch A B C D E F
8-1437624-6 PKNT60B1/8 .591(15.0) .579(14.7) .394(10.0) .079(2.01) .394(10.0) .472(11.9)
8-1437624-5 PKNT60B1/4 .591(15.0) .579(14.7) .394(10.0) .079(2.01) .394(10.0) .472(11.9)
8-1437624-7 PKNT70B1/4 .787(19.9) .764(19.4) .571(14.5) .098(2.49) .492(12.5) .591(14.7)
8-1437624-8 PKNT90B1/4 .984(25.0) .957(24.3) .748(19.0) .098(2.49) .591(15.0) .689(17.5)
PKN SERIES
Line Indicator on Natural Aluminum Spin Cap
Tyco
Electronics Alcoswitch A B C D E F
8-1437624-2 PKN60B1/8 .591(15.0) .579(14.7) .394(10.0) .079(2.01) .394(10.0) .453(11.5)
PKN60B1/4 .591(15.0) .579(14.7)) .394(10.0) .079(2.01) .394(10.0) .453(11.5)
8-1437624-3 PKN70B1/4 .787(20.0) .764(19.4) .571(14.5) .098(2.49) .492(12.5) .591(15.0)
8-1437624-4 PKN90B1/4 .984(25.0) .957(24.3) .748(19.0) .098(2.49) .591(15.0) .689(17.5)
PKNT60B1/4
PKN60B1/8
PKJT50B1/4
PKJT70B1/4
*Knob uses #4-40 set screw.
SPUN ALUMINUM 
INLAY
180˚
BLACK 
INDICATOR 
LINE
BC
D
E
F
NO. 6-32
SET SCREW
A
5
6
7
8
9
0
1
2
3
4
36˚
K19
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
Knobs, Molded Phenolic
PKS SERIES
Straight Knurl with Indicator Line on Skirt
Tyco
Electronics Alcoswitch A B C D E F
9-1437624-5 PKS1104B1/4 1.12(28.5) .567(14.4) .620(15.8) .090(2.29) .510(12.95) .670(17.0)
PKS SERIES
Straight Knurl Aluminum Skirt Has Line or 0-9 Numbers
Tyco
Electronics Alcoswitch A B C D E F Marking
9-1437624-4 PKS1103B101/4 1.17(29.6) .571(14.5) .620(15.7) .098(2.49) .516(13.1) .670(17.0) Numbers
9-1437624-7 PKS1106B1/4 1.17(29.6) .571(14.5) .618(15.7) .098(2.49) .516(13.1) .670(17.0) Line
9-1437624-6 PKS1105B101/4 1.17(29.6) .571(14.5) .618(15.7) .098(2.49) .516(13.1) .670(17.0) Numbers
PKS SERIES
A
˜
SPUN ALUMINUM INLAY
180˚
WHITE INDICATOR LINE
BC
D
E
F
NO. 6-32
SET SCREW
Choice of Indicator Line or 0-9, 0-10, -5+5 Numerals
Tyco
Electronics Alcoswitch ABCDEFMarking
1437625-1 PKS1132B51/4 1.18(30.0) .551(14.0) .551(14.0) .118(30.0) .615(15.62) .748(19.0) +5-0-5
1437625-2 PKS1132B91/4 1.18(30.0) .551(14.0) .551(14.0) .118(30.0) .615(15.62) .748(19.0) 0-9
9-1437624-9 PKS1132B101/41.18(30.0) .551(14.0) .551(14.0) .118(30.0) .615(15.62) .748(19.0) 0-10
9-1437624-8 *PKS1132B1/4 1.18(30.0) .551(14.0) .551(14.0) .118(30.0) .615(15.62) .748(19.0)
Indicator Line
*1 Set screw 180° from indicator line.
BC
D
E
F
NO. 6-32
SET SCREW
5
6
7
8
9
10
0
1
2
3
4
˜
30˚
30˚
30˚
0-10
+5
-5
4
3
2
1
0
1
2
3
4
+5•-5
30˚
30˚
0-9
Indicator 
Line
5
6
7
8
9
0
1
2
3
4
A
SPUN ALUMINUM INLAY
PKS1132B51/4
PKS1104B1/4
PKS1106B1/4
PKS1105B101/4PKS1103B101/4
PKS1132B91/4
K20
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
P Series
K
P Series
Knobs, Molded Phenolic
PKS SERIES
Straight Knurl with Aluminum Skirt Choice of Arrow or 1-10 Numbers
Tyco
Electronics Alcoswitch A B C D E F Marking
1437625-5 PKS90B1/4 1.42(36.1) .917(23.3) .780(19.8) .065(1.65) .490(12.5) .596(15.1) Arrow
1437625-6 PKS90B101/4 1.42(36.1) .917(23.3) .780(19.8) .065(1.65) .490(12.5) .596(15.1) Numbers
PKX SERIES
Ribbed Body, Matte Finish with White Square Indicator on Top
Tyco
Electronics Alcoswitch ABCDEF
1-1437625-5 PKX50B1/8 .590(15.0) .472(12.0) .374(9.49) .059(1.50) .463(11.76) .551(14.0)
1-1437625-4 PKX50B1/4 .590(15.0) .472(12.0) .374(9.49) .059(1.50) .463(11.76) .551(14.0)
1-1437625-7 PKX60B1/8 .787(20.0) .625(15.9) .472(12.0) .078(1.98) .510(13.0) .598(15.2)
1-1437625-6 PKX60B1/4 .787(20.0) .625(15.9) .472(12.0) .078(1.98) .510(13.0) .598(15.2)
PKX SERIES
˜
SPUN ALUMINUM INLAY
BLACK ARROW INDICATOR
6
7
8
9
10
1
0
2
3
4
5
A
30˚
D
F
E
C
B
NO. 6-32
SET SCREW
WHITE INDICATOR
A
BC
D
E
F
(1) 6-32 SET SCREW EXCEPT
PKX-50B, (1) 4-40
WHITE INDICATOR
A
90˚
BC
D
E
F
(2) 6-32
SET SCREWS
Ribbed Body, Matte Finish with White Square Indicator on Top
Tyco
Electronics Alcoswitch A B C D E F
1-1437625-1 PKX100B1/4 1.17(29.7) .970(24.6) .780(19.81) .114(2.90) .570(14.48) .674(17.12)
1-1437625-2 PKX110B1/4 1.37(34.8) 1.120(28.45) .940(23.88) .100(2.54) .527(13.38) .705(17.91)
1-1437625-3 PKX130B1/4 1.57(40.0) 1.308(33.22) 1.09(27.6) .118(3.00) .623(15.82) .750(19.05)
PKS90B1/4
PKX110B1/4
PKX50B1/8
PKS90B101/4
K21
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
Accessories
K
Accessories
Knob Accessories
ACCESSORIES
Shaft Hole Size Adaptors
Tyco
Electronics Alcoswitch A B C D E F
9-1437627-6 KR1 (1/4"TO1/8") .374(9.50) .250(6.35) .128(3.25) .122(3.10) .217(5.51) .122(3.10)
9-1437627-7 KR2 (1/4"TO3/16") .375(9.53) .250(6.35) .190(4.83) .122(3.10) .216(5.49) .123(3.12)
9-1437627-8 KR3 (1/4"TO4MM) .375(9.53) .248(6.30) .161(4.09) .122(3.10) .216(5.49) .123(3.12)
C
B
FE
AD
KR1
Alcoswitch Products
Engineering Notes
K22
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses Specifications subject Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
Engineering Notes
K