K Series Knobs, Machined Aluminum K SERIES 3 Flute Design with and without Indicator Line Tyco A B C D E Electronics Alcoswitch Color K700B1/4 NO. 6-32 SET SCREW 2 PLACES F .281 (7.14) .157 (3.99) .500 (12.70) 120 CD B .315 (8.00) .400 (10.16) G CRANK SPINNER E (K1255 ONLY) 1/8" SHAFT=.126" (3.20) 1/4" SHAFT=.251" (6.37) A 1437621-7 1437621-6 1437621-9 1437621-8 1-1437621-0 1-1437621-1 1-1437621-3 1-1437621-4 1437621-2 1437621-3 Less Indicator 1437621-4 .430(10.9) .430(10.9) .430(10.9) .430(10.9) .655(16.6) .655(16.6) .817(20.8) .817(20.8) 1.11(28.2) 1.11(28.2) .374(9.50) .374(9.50) .374(9.50) .374(9.50) .591(15.0) .591(15.0) .709(18.0) .709(18.0) .984(25.0) .984(25.0) .430(10.9) .430(10.9) .430(10.9) .430(10.9) .655(16.6) .655(16.6) .817(20.8) .8827(20.8) 1.11(28.2) 1.11(28.2) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .750(19.1) .750(19.1) F G .429(10.9) .429(10.9) .429(10.9) .429(10.9) .429(10.9) .429(10.9) .429(10.9) .429(10.9) .554(14.1) .554(14.1) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .630(16.00) .630(16.00) K500A1/8 K500A1/4 K500B1/8 K500B1/4 K700A1/4 K700B1/4 K900A1/4 K900B1/4 K1250A1/4 K1250B1/4 Natural Natural Black Black Natural Black Natural Black Natural Black .500(12.7) .500(12.7) .500(12.7) .500(12.7) .740(18.8) .740(18.8) .937(23.8) .937(23.8) 1.25(31.8) 1.25(31.8) 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 1437621-5 K1255AS1/4 K1255BS1/4 Natural Black 1.25(21.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00) 1.25(31.8) 1.11(28.2) .984(25.0) 1.11(28.2) .750(19.1) .554(14.1) .630(16.00) KA SERIES KA500A1/4 KA700B1/4 E G 60 TYP. .125 (3.18) INDICATOR LINE A 120 B C 90 NO. 6-32 SET SCREW 2 PLACES D .157 (3.99) .281 (7.14) F 1/8" SHAFT=.126" (3.20) 1/4" SHAFT=.251" (6.37) Tyco Electronics Alcoswitch Color 2-1437621-0 1-1437621-9 2-1437621-2 2-1437621-1 2-1437621-3 2-1437621-4 2-1437621-5 2-1437621-6 KA500A1/8 KA500A1/4 KA500B1/8 KA500B1/4 KA700A1/4 KA700B1/4 KA900A1/4 KA900B1/4 KA1250A1/4 1-1437621-8 KA1250B1/4 Natural Natural Black Black Natural Black Natural Black Natural Black 6 Flute Design with Indicator Line A B C D E F G .500(12.7) .500(12.7) .500(12.7) .500(12.7) .750(19.1) .750(19.1) .937(28.8) .937(28.8) 1.25(31.8) 1.25(31.8) .430(10.9) .430(10.9) .430(10.9) .430(10.9) .655(16.6) .655(16.6) .817(20.8) .817(20.8) 1.11(28.2) 1.11(28.2) .375(9.53) .375(9.53) .375(9.53) .375(9.53) .590(15.0) .590(15.0) .700(17.8) .700(17.8) .985(25.0) .985(25.0) .430(10.9) .430(10.9) .430(10.9) .430(10.9) .655(16.6) .655(16.6) .817(20.8) .817(20.8) 1.11(28.2) 1.11(28.2) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .625(15.9) .750(19.1) .750(19.1) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .512(13.0) .630(16.0) .630(16.0) .430(10.9) .430(10.9) 430(10.9) 430(10.9) .430(10.9) .430(10.9) .430(10.9) .430(10.9) .554(14.1) .554(14.1) KAS SERIES K NO. 6-32 SET SCREW 2 PLACES E G 60 TYP. INDICATOR LINES K Series A B 120 90 .157 (3.99) F D C .280 (7.11) 1/8" SHAFT=.126" (3.20) 1/4" SHAFT=.251" (6.38) 6 Flute Design with Aluminum Skirt and Indicator Lines Tyco B C D E A Electronics Alcoswitch Color 2-1437621-8 2-1437621-7 3-1437621-0 2-1437621-9 KAS500A1/8 Natural .500(12.7) .430(10.9) .380(9.65) KAS500A1/4 Natural .500(12.7) .430(10.9) .380(9.65) KAS500B1/8 Black .500(12.7) .430(10.9) .380(9.65) KAS500B1/4 Black .500(12.7) .430(10.9) .380(9.65) .740(18.8) .740(18.8) .740(18.8) .740(18.8) .630(16.0) .630(16.0) .630(16.0) .630(16.0) F G .510(13.0) .510(13.0) .510(13.0) .510(13.0) .430(10.9) .430(10.9) .430(10.9) .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) K4 Catalog 1308390 Issued 9-04 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in parentheses or brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967