1
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
About Amphenol® Aerospace
Your Source for Interconnect Products
CONTACT US:
Amphenol Aerospace
40-60 Delaware Avenue
Sidney, NY 13838-1395
Customer Service:
Mon - Fri 8AM - 5PM
Phone: (800) 678-0141
Fax: (607) 563-5157
Online: www.amphenol-aerospace.com
ABOUT AMPHENOL AEROSPACE:
Amphenol Aerospace, a Division of Amphenol Corporation, is one
of the largest manufacturers of interconnect products in the world for the Military,
Commercial Aerospace and Industrial markets. Amphenol designs, manufactures and
markets circular and rectangular, electronic, ber optic, EMI/EMP lter, and a variety of
special applications connectors and interconnect systems.
Our state-of-the-art facility is nestled at the foothills of the Catskill Mountains in Sidney,
NY. The Amphenol complex houses many technologies including CNC machining,
die-casting, molding, impact and extruding, plating, screw machining and process
controls. Our fully equipped material evaluation lab and engineering organization utilize
the latest in computer aided design software and analysis tools, allowing us to design,
test, and qualify advanced interconnect systems. Amphenol’s interconnect products are
supplied to thousands of OEMs worldwide and are supported by our worldwide sales
and engineering force, including the largest global network of electronic distributors.
Amphenol Aerospace, Amphenol Commercial Air,
and Amphenol Industrial Operations Main Facility in Sidney, NY USA
QUALITY ASSURANCE:
Amphenol Aerospace has been awarded
both AS9100 - Revision C and ISO9001:2008
Quality Assurance Certications.
Customer-Centric:
Our #1 priority is our customers who
deserve quality product on time.
CARE
Accountable:
Clear owners, clear
actions, clear results.
Reliable:
What we build
matters and quality
is imperative.
Enthusiastic:
Challenges create rewarding
opportunities. Enthusiasm is
contagious and we will spread it.
2Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
MIL-DTL-
27599 Hermetics Contact Size
JT II LJT I TV III III JT/LJT
Solder
Crimp Class
H
Class
Y
TV* Service
Rating
Total
Contacts
23
HD
22D 22M 22 20 16 12 12
(Coax)
10
(Power)
8
(Coax)
8††
(Twinax)
8-2nPM 2 2
8-3nX NA P P M 3 3
9-3nX
9-5Hn Grounded 1 1
8-6X X P P M 6 6
9-6X X P P
9-7nXM 7 7
9-9nN 9 9
9-22nXI 2 2
8-35 X P P M 6 6
9-35 9-35 A35 X P P P
8-44 X P P M 4 4
9-44 X
9-94nuM 2 2
8-97nXM 4 2 2
8-98 S X P P I 3 3
9-98 9-98 A98 XXP P P
11-2H11-2HB2 X P** I 2 2
10-43I 4 4
11-411-4X2
10-5X X P P I 5 5
11-511-5B5XXP
11-6nSI 6 6
10-13 X X P/S P/S M 13 13
11-13 X X P/S P/S
11-19nN 19 19
10-35 X P/S P/S M 13 13
11-35 11-35 B35 X P/S P/S P
11-54nXuII 4 4
10-98 X X P/S P/S I 6 6
11-98 11-98 B98 XXP/S P/S P
10-99 X P P I 7 7
11-99 11-99 B99 XX P
12-3X X uP P II 3 3
13-3nP
12-4X X P P I 4 4
13-4H13-4HC4XXP P P
12-8X X P P I 8 8
13-813-8C8XXP P P
13-13nI, Fiber
Optic 4 2** 2
12-22 X P/S P/S M 22 22
13-22 X X P/S P/S
13-26n2 M 8 6 2
13-32nN 32 32
12-35 X P/S P/S M 22 22
13-35 13-35 C35 X P/S P/S P
13-63nul 4 2 2
12-98 X X P/S P/S I 10 10
13-98 13-98 C98 XXP/S P/S P
15-ATnXI13 10 3
14-4n2I 4 4
15-4n15-4n2u
14-5X X P P II 5 5
15-5H15-5HD5XXP P P
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Availability and Identification Chart
Series Series Series Military
X Completely tooled.
+ Majority of tooling is completed
(contact Amphenol Aerospace for availability).
u Not tooled for 02-R.
P Available with Pin contacts only
S Available with Socket contacts only
P/S Available with Pin contacts or Socket contacts
H Ground plane proprietary option available. Arrg. 9-5 is exclusively
ground plane type.
n Not Mil-Qualied.
G 21-75 is Mil-Qualied with twinax contacts only.
Note: MS connector 21-75 is supplied with size 8 twinax.
Commercial connector 21-75 is supplied with size 8 coax.
HD designates High Density 38999 Series III insert patterns which
use size 23 contacts only. Not rated over 175°C.
* Hermetic inserts - solder termination standard. (Contact Amphenol
Aerospace for optional PCB or eyelet termination).
** Two size 16 contacts dedicated to ber optics. See the Fiber Optic
section for more information.
*** For use in MIL-STD-1760 applications (see pages 75 and 76).
For RG 180/U and RG 195/U cables only.
†† Size 8 Coax and Twinax are interchangeable.
(2) Not Tooled for RP or 02RE
(3) Pin inserts only, not tooled for RP or 02RE (Consult Amphenol
Aerospace for avail.)
(5) MS Connector 21-79 has provision for two size 8 coax contacts.
Coax contacts are not supplied unless specied by customer.
3
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Availability and Identification Chart
MIL-DTL-
27599 Hermetics Contact Size
JT II LJT I TV III III JT/LJT
Solder
Crimp Class
H
Class
Y
TV* Service
Rating
Total
Contacts
23
HD
22D 22M 22 20 16 12 12
(Coax)
8
(Coax)
8††
(Twinax)
4
14-15 X X P P I15 14 1
15-15 15-15 D15 XXP/S P/S PI
14-18 X X P/S P/S I 18 18
15-18 15-18 D18 XXP/S P/S P
14-19nX X I 19 19
15-19 15-19 D19 X P P P
14-35 X P P M 37 37
15-35 15-35 D35 X P/S P/S P
14-37 X X P P M 37 37
15-37 XXP P
15-55nN 55 55
14-68n2P P 1 8 8
15-68nX X
14-97 X P P I 12 8 4
15-97 15-97 D97 XXP P P
17-217-2E2 X uM 39 38 1
17-EAnM 19 10 3 2 4
17-ECnM 41 32 9
16-6 X P P I 6 6
17-617-6E6 X P P P
16-8X X P P II 8 8
17-8H17-8HE8XXP/S P/S P
16-13n2I 13 13
17-13n2
17-22n17-22Hn uCoax 4 2 2
17-25n17-25n2M 24 22 2
16-26 X X P/S P/S I 26 26
17-26 17-26 E26 XXP/S P/S P
16-35 X P P M 55 55
17-35 17-35 E35 XXP P P
16-42 X M 42 42
17-42nP
17-52nXuM 2 2
16-55 X X P/S P/S M 55 55
17-55 XXP/S P/S
17-60nX I/Coax 10 8 2
17-73nN 73 73
16-99 X X P P I 23 21 2
17-99 17-99 E99 XXP P
19-ADnXuInst. 17 16 1
19-FAnM 23 6 8 7 2
18-11 X X P P II 11 11
19-11H19-11HF11 XXP P P
19-18 19-18 F18 22M 18 14 4
18-28 X X I 28 26 2
19-28n19-28 F28 X P X
18-30 X X I 30 29 1
19-30nX P
19-31nXM 15 12 1 2
18-32 X X P/S P/S I 32 32
19-32 19-32 F32 XXP/S P/S P
18-35 X P P M 66 66
19-35 19-35 F35 X P P P
18-53 X X M 53 53
19-53nP
18-66 X X P P M 66 66
19-66 X P P
19-67nX 3 S S M 67 67
18-68n2I 18 18
19-68n19-68n3S
18-96n2I 9 9
19-88nN 88 88
20-1X P P M 79 79
21-1X P/S P/S
Series Series Series Military
4Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
MIL-DTL-
27599 Crimp Hermetics Service
Rating
Total Contact Size
JT II LJT I TV III III JT/LJT
Solder H Y TV* 23
HD
22D 22M 22 20 16 16
(Cx)
12 12
(Cx)
10
(Power)
8
(Power)
8
(Cx)
8††
(Twinax)
4
20-2XM 65 65
21-2nX
20-11n3I 11 11
21-11H21-11HG11 X
20-16 X X P/S P/S II 16 16
21-16H21-16HG16 XXP P P
21-25nI 25 25
21-27nXI 27 27
21-29 XI 27 19 4 4
20-35 X P P M 79 79
21-35 21-35 G35 X P/S P/S P
20-39 X X P P I 39 37 2
21-39 21-39 G39 XXP P P
20-41 X X P P I 41 41
21-41 21-41 G41 XXP/S P/S P
21-48nM 4 4
21-75H21-75HG G75 2XNM4 4 (4)
21-79n21-79n2XII 19 17 2 (2)
21-121nN 121 121
22-1X P/S P/S M 100 100
23-1X P P
22-2X X P P M 85 85
23-2XXP P
23-6Hn 23-6Hn X P M 6 6
22-14n2uI 14 14
23-14n23-14n2u
22-21 X X P P II 21 21
23-21H23-21HH21 XXP P P
22-32 X X P P I 32 32
23-32nXP
23-34nXI 34 34
22-35 X P/S P/S M 100 100
23-35 23-35 H35 X P P P
22-53nPI 53 53
23-53 23-53 H53 XX P/S P/S P
23-54 nX M 53 40 9 4
22-55 X X P P I 55 55
23-55 23-55 H55 X P
23-63 nS M 57 49 4 4
23-97nXII 16 16
23-99nXII 11 11
23-151 nN 151 151
24-1X P P M128 128
25-1X P P
24-2XM 100 100
25-2X
24-4X P P I 56 48 8
25-425-4J4 X P
25-7n25-7J7 X MTwx 99 97 2
25-8HJ8uTwinax 8 8
25-11*** J11 2uN 11 2 9
25-16nM 8 6 2
25-17nuM 42 36 6
24-19nX P P I 19 19
25-19H25-19HJ19 X P
25-20n25-20*** J20 2uN 30 10 13 4 3
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Availability and Identification Chart
X Completely tooled.
+ Majority of tooling is completed
(contact Amphenol Aerospace for availability).
u Not tooled for 02-R.
P Available with Pin contacts only
S Available with Socket contacts only
P/S Available with Pin contacts or Socket contacts
H Ground plane proprietary option available. Arrg. 9-5, 26-62 is exclusively
ground plane type.
n Not Mil-Qualied.
G 21-75 is Mil-Qualied with twinax contacts only.
* Hermetic inserts - solder termination standard. (Contact Amphenol
Aerospace for optional PCB or eyelet termination).
HD designates High Density 38999 Series III insert patterns which use
size 23 contacts only. Not rated over 175°C.
** Two size 16 contacts dedicated to ber optics. See the Fiber Optic
Section for more information.
*** For use in MIL-STD-1760 applications (see pages 75 and 76).
For RG 180/U and RG 195/U cables only.
†† Size 8 Coax and Twinax are interchangeable.
(2) Not Tooled for RP or 02RE
(3) Pin inserts only, not tooled for RP or 02RE (Consult Amphenol for avail.)
(4) MS connector 21-75 is supplied with size 8 twinax.
Commercial connector 21-75 is supplied with size 8 coax.
(5) MS Connector 21-79 has provision for two size 8 coax contacts.
Coax contacts are not supplied unless specied by customer.
(PWR) Sufx at end of part number to replace coax, twinax, and ber contacts
with power contacts.
Series Series Series Military
5
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
(Insert arrangements requiring non-standard shells)
X Completely tooled.
+ Majority of tooling is completed (contact
Amphenol Aerospace for availability).
u Not tooled for 02-R.
P Pin inserts only (contact Amphenol Aerospace
for socket availability).
H Ground plane proprietary option available.
Arrangement 9-5, 25-62 is exclusively ground
plane type.
n Not Mil-Qualied.
* Hermetic inserts - solder termination standard.
(Contact Amphenol Aerospace for optional PCB
or eyelet termination).
** Two size 16 contacts dedicated to ber optics.
See the Fiber Optic section for more information.
*** For use in MIL-STD-1760 applications
(pgs. 75 and 76).
For RG 180/U and RG 195/U cables only.
†† Size 8 Coax and Twinax are interchangeable.
Note: 25L-3 and 25L-7 use longer shells.
(PWR) Sufx at end of part number to replace coax,
twinax, and ber contacts
with power contacts.
SELECT NON-STANDARD SHELL SIZE
- Special Insert Arrangement
Contact Size
Shell Size-
Insert Arrg.
Crimp Hermetics* Service
Rating
Total
Contacts
Comments 22D 20 16 12
9-2X I 2 Formerly Pyle 2
15-4X II 4 Formerly Pyle 4
15-25 XM25 Formerly Pyle 22 3
17-20 X M 20 Formerly Pyle 16 4
21-12 X I 12 Formerly Pyle 3 9
21-21 X M/Inst. 41 Improved sealing 32 9
21-99 X M 16 Formerly Pyle 5 11
25-92 X M 101 Formerly Pyle 92 9
25-97 X M 42 Formerly Pyle 26 3 13
Contact Size
Shell Size-
Insert Arrg.
Crimp Hermetics* Service
Rating
Total
Con-
tacts
22D 20 8 4 0
25L-3X II 3 1 2
25L-7X II 7 7
33-3X II 3 1 2
33-5X II 5 5
33-6X II 6 2 4
37-5X II 4 4
SELECT SHELL SIZE - SPECIAL INSERT ARRANGEMENT
(Not Mil-Spec Qualified)
MIL-DTL-
27599 Hermetics Contact Size
JT II LJT I TV III III JT/LJT
Solder Crimp H Y TV* Service
Rating
Total
Contacts
23
HD
22D 20 16 12
(Fiber)
12 12
(Coax)
10 8
(Coax)
8††
(Twinax
8
Quadrax
4
24-24 X P P I 24 12 12
25-24H25-24HJ24 X P P
25-26nH FI 25 16 5 4
24-29 XI 29 29
25-29H25-29HJ29 XX
24-35 X P P New 128 128
25-35 25-35 J35 X P P PM
24-37 XI 37 37
25-37H25-37HJ37 X
25-41nNInst. 41 22 3 11 2 3
24-43n3I 43 23 20
25-43 25-43 J43 X 2 u
25-46 25-46 J46 2uI 46 40 4 2
24-61 X X P P I 61 61
25-61 25-61 J61 XXP P P
25-62 nH XuI 12 8 4
25-90 J90 uI 46 40 4 2
25-187 nN 187 187
25-1A nN 8 4 4
25-AT nXM 60 31 12 11 2 2 2
25-F4 nXM/I 66 49 13 4
TV SERIES III
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Availability and Identification Chart
Series Series Series Military
Contact Size
Shell Size-
Insert Arrg.
Crimp Service
Rating
Total
Contacts
Comments 22D 20 16 12
25-64 X 64 Formerly Pyle 40 8 10 6
LJT SERIES I
SELECT SHELL SIZE - SPECIAL INSERT ARRANGEMENT
(Not Mil-Spec Qualified)
6Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
Front face of pin inserts illustrated
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Arrangements
CONTACT LEGEND 8 10 12 16 20 22 22M 22D 23
A
B
A
B
C
1
2
3
4
56
1
2
3
4
5
67
82
1
9
7
3
54
6
A
B
51
6
4
3
2
1
2
3
4
BA
A
B
C
D
CA
B
AB
8-2 8-3 8-6 8-35 8-44 8-97 8-98
9-3 9-6 9-7 9-22 9-35 9-44 9-98 11-2
9-5 9-9 HD 9-35 9-94 9-98 11-2
M M Grounded M M N I M M M M I I
2 3 1 6 7 9 2 6 4 2 2 2 3 2
20 20 8 Twinax 22M 22M 23 20 22D 22 20 22M 20 20 16
12
13
19
18
17
16 15
14
9
8
4
5
6
10
11
1
2
3
14
13
12 11 10
28
29
30
15
16
25
26
27
38
39
41
40 36
24
35
34
33
20
32
31
17
18
19
21 22 23
37
9
8
7
6
5
4
3
2
11
6
11
17
30
A
B
C
D
E
F
A
B
C
DE
F
G
H
A
B
C
D
E
F
G
H
J
K
L
NM
A
D
C
B
16-6 16-8 16-13
17-2 17-6 17-8 17-13 17-22
17-EA 17-EC 17-2 17-6 17-8 17-22
M I II I Coax
10 3 2 4 32 9 38 1 6 8 13 2 2
22D 20 16 12 22D 20 22D 8 Twinax 12 16 16 12 Coax 8 Coax
HD: High Density HD38999 (use size 23 contacts only)
A
B
C
D
E
F
G
H
22
1
20
A
C
D
E
FB18
29
32
1
1
21
22
A
B
C
D
AB
C
D
E
F
G
H
JK
A
BC
D
A
B
CD
E
12-8 12-22 12-35 12-98 14-4 14-5
13-8 13-22 13-35 13-98 15-4 15-5
13-8 13-26 13-32 HD 13-35 13-63 13-98 15-AT 15-4 15-5
I M M N M I I I I II
8 22 6 2 32 22 2 2 10 10 3 4 5
20 22M 22D 12 23 22D 16 12 20 22D 12 12 16
A
BC
D
A
B
C
D
E
A
B
C
D
E
F
12
3
4
5
6
7
8
9
10
11
12
13
12
3
4
5
6
7
8
9
10 17
16
19
18
15
14
13
12
11
12
3
4
5
6
7
8
9
10
11
1213
A
B
D
C
A
B
C
D
EF
A
B
C
D
E
F
G
A
B
C
A
B
C
D
10-4 10-5 10-13 10-35 10-98 10-99 12-3 12-4
11-4 11-5 11-6 11-13 11-35 11-98 11-99 13-3 13-4
11-4 11-5 11-19 HD 11-35 11-54 11-98 11-99 13-4
I I I M N M II I I II I
4 5 6 13 19 13 4 6 7 3 4
20 20 20 22M 23 22D 22D 20 20 16 16
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
A
B
C
D
E
F
G
H
J
K
L
MN
P
R
S
TU
AB
C
D
E
FG
H
J
K
L
M
NP
R
S
T
UV
3
2
1
13
12
11
4
5
6
7
8
9
10
14
15
16
17
18
19
20
23
22
21
24
25
1
21
31
1
11
21
31
39
16
2417 3125
3932
46
5247
40
5553
10
41
A
B
C
D
E
F
GH
AB
C
D
E
F
G
H
J
K
L
M
14-15 14-18 14-19 14-35 14-37 14-68 14-97
15-15 15-18 15-19 15-35 15-37 15-68 15-97
15-15 15-18 15-19 15-25 15-35 15-55 HD 15-97
I I I M M M N I I
14 1 18 19 22 3 37 37 55 8 8 4
20 16 20 20 22D 16 22D 22M 23 16 20 16
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
7
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
Front face of pin inserts illustrated
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Arrangements
CONTACT LEGEND 8 10 12 16 20 22 22M 22D 23
HD: High Density HD38999
(use size 23 contacts only)
12
3
4
5
6
7
8
9
10
11 12 13 14
15 16
17
18
19
20
21
22
23
24
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
STU
V
W
X
Y
Z
ab
c
1
3
4
9
10
16
17
24
25
31
32
39
40
47
46
52
53
55
1
21
42
41
31
11
A
B
1
3
4
9
10
16
17
24 31
25
32
39
40
46
47
52
53
55
1
5
2
8
9 3
10
7
64
16-26 16-35 16-42 16-55
17-25 17-26 17-35 17-42 17-55
17-26 17-35 17-52 17-60
M I M M M M I/Coax
22 2 26 55 42 2 55 8 2
22D 8 Coax 20 22D 22 8 Twinax 22M 22D 8 Coax
12
7
3
815
24
16
25
33
42
50
59
67
72 73
71
66
58
49
41
32
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
STU
V
W
X
Y
Z
1
2
3
4
5
6
7
8
9
10
11
12
18
19 17
16
23
15
22
20
21 14
13
A
B
C
D
E
F
G
H
J
K
L
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
A
B
C
D
E
F
G
H
R
J
K
L
M
N
P
S
T
U
V
W
X
Y
Z
a
b
c
d
e
16-99 18-11 18-28
17-99 19-11 19-18 19-28
17-73 HD 17-99 19-FA 19-11 19-18 19-28
N I M II M M
73 21 2 6 8 7 2 11 14 4 26 2
23 20 16 22D 20 16 12 16 22D 8 Twinax 20 16
A
B
C
D
E
F
G
H
J
K
L
M
N
P
RS
TU
V
W
X
Y
Z
a
b
c
d
e
gf
A
B
C
E
K
M
N
R
S
U
V
W
g
h
f
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
b
c
d
e
f
g
h
j
1
2
3
4
9
10
16
17
24
25
33
34
42
43
50
51
57
58
63
64
66
1
41
51
52
53
31
11
21
1
2
3
4
9
10
24
16
17 25
33
34
42
43
50
51
57
58
63
64
66
18-30 18-32 18-35 18-53 18-66
19-30 19-32 19-35 19-53 19-66
19-31 19-32 19-35
I M 1 M M M
29 1 2 1 12 32 66 53 66
20 16 8 Coax 12 22D 20 22D 22 22M
1
3
4
9
10
16
17
24
25
34
35
43
44
51
52
58
59
64
65
67
A
BL
CK
DJ
EH
FG R
U
M
TN
SP
1
88
84
73
55
31
30
A
BH
C
D
F
E
GJ
1
2
15 314
13
12
4
5
11 8
710
16
89
A
12
13
19
18
17
16 15
14
9
8
4
5
6
10
11
1
2
3
18-68 18-96
19-67 19-68
19-88 HD 19-AD 19-FA
M I N I Inst. M
67 18 88 9 16 1 6 8 7 2
22M 16 23 12 20 8 Twinax 22D 20 16 12
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
8Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
Front face of pin inserts illustrated
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Arrangements
A
B
C
D
E
F
G
HJ
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
b
c
d
12
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
23
25
26
27
1
11
21
31
41
51
61 71
79
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
UVW
XYZ
a
b
c
d
e
f
g
h
i
j
k
m
n
p
q
r
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
VW
XY
Z
a
b
c
d
e
f
g
h
i
j
k
m
n
p
q
r
s
t
20-35 20-39 20-41
21-27 21-35 21-39 21-41
21-29 21-35 21-39 21-41
I I M 1 I
27 19 4 4 79 37 2 41
20 20 16 12 22D 20 16 20
HD: High Density HD38999 (use size 23 contacts only)
Note: MS connector 21-75 is supplied with four size 8 twinax contacts.
Commercial connector 21-75 is supplied with four size 8 coax contacts.
MS connector 21-79 has provision for two size 8 coax contacts.
Coax contacts are not supplied unless specied by customers.
CONTACT LEGEND 8 10 12 16 20 22 22M 22D 23
1
21
31
41
51
61
71
79
11
1
31
21
11
41
51
61
65
A
B
C
D
E
F
G
H
J
K
L
A
B
C
D
E
F
G
H
J
K
L
M
N
PR
S
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
b
20-1 20-2 20-11 20-16
21-1 21-2 21-11 21-16 21-25
21-11 21-16
M II I II I
79 65 11 16 25
22M 22 12 16 20
A
B
C
DA
BC
D
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
ST
UV
15
613
23
22
14
32
33 43
44 55
56 66
67 78
79 89
90 99
100 108
109 116
117 121
1
2
3
4
5
6
7
8
15
16
24
25
34
35
45
46
55
56
66
67
76
77
85
86
93
94
95
96
97
98
99
100
1
4
5
11
12
19
20
28
29
38
39
47
48
57
58
66
67
74
75
81
82
85
22-1 22-2
21-75 21-79 23-1 23-2
21-48 21-75 21-79 21-121 HD
M N II N M M
4 4 17 (See Note) 121 100 85
8 power (See Note) 22D 23 22M 22
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
9
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
III
SJT
I
II
Access
Aquacon
Front face of pin inserts illustrated
1
2
34
5
6
7
8
15
16
24
25
34
35
45
46
55
56
66
67
76
77
85
86
93
94
9596
97
98
99
100
AB
C
D
E
F
G
H
J
K
L
M
N
P
RSTU
VW
X
Y
Z
a
b
c
d
e
f
g
h
km
np
q
r
s
t
AB
u
v
w
x
y
zAB
CC
DD
EE
FF
GG
HH
123
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
2223 24 25
2627
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
4344
45 46
47
48
4950
51
52
53
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
TUVW
X
Y
Z
a
b
c
d
e
f
g
h
i
j
k
mn
p
q
r
s
t
v
w
x
y
z
AA BB
CC
u
DD
EE
FF
GG
HH
24 23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
32125
44 43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27 26
45 46
51
56
49
48
54
46
53
47
55
50
57
22-35 22-53 22-55
23-35 23-53 23-55
23-35 23-53 23-54 23-55 23-63
M I M I M
100 53 40 9 4 55 49 4 4
22D 20 22D 16 12 20 22D 16
Coax
12
Coax
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
A
B
C
D
E
F
G
H
J
K
L
14
51
1
22 21
12
32
33 44
45 57
58 69
70 82
83 94
95
130
108
140
120
147
131
107
119
141
151
148
1
7
8
14
24
25
48
58
59
70
71
81
94
104
105
114
115
121
125
35
15
1
2
3
19 40 51
73
92
99
100
24-1 24-2
23-97 23-99 25-1 25-2
23-151 HD
II II N M M
16 11 151 128 100
16 16 23 22M 22
MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Arrangements
CONTACT LEGEND 8 10 12 16 20 22 22M 22D 23
HD: High Density HD38999
(use size 23 contacts only)
A
B
C
D
E
F
A
BK
CJ LP
MN
DH
EG
F
A
B
C
D
E
F
G
H
J
K
L
MP
R
S
N
T
U
V
W
X
AB
C
D
E
F
G
H
J
K
L
MNPR
S
T
U
V
W
X
Y
Z
a
b
c
d
e
f
g
h
j
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
STU
V
W
X
Y
Z
a
b
c
de
f
g
h
j
k
l
22-14 22-21 22-32
23-6 23-14 23-21 23-32 23-34
23-6 23-21
M I II I I
6 14 21 32 34
8 Twinax 12 16 20 20
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
Shell Size &
Insert Arrg. for:
Series II JT
Series I LJT
Series III TV
Service Rating
Number of Contacts
Contact Size
10 Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
38999
Series III, II, I
III
SJT
I
II
Access
Aquacon
10
Front face of pin inserts illustrated
A
B
C
D
E
F
G
H
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
a
bcd
e
f
g
h
k
m
n
p
qrs
t
u
v
w
AB
C
D
E
FGH
J
K
L
M
NP
R
ST
UV
AB
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Z
1
2
3
4
5
6
7
24-19
25-19 25-20
25-16 25-17 25-19 25-20***
M M I N
6 2 36 6 19 10 13 3 4
20 4 22D 8 Twinax 12 20 16 8 Twinax 12 Coax
(With Matched Impedance)
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
YZ
a
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18 19 20
21
22
23
24
25
A
B
C
D
E
F
G
H
J
K
L
M
N
P
RST
U
V
W
X
Y
Z
a
bc
d
e
f
1
4
7
8
14
15
24
25
35
36
47
48
58
59
70
71
81
82
93
94
104
105
114
115
121
125
128
24-24 24-29 24-35
25-24 25-29 25-35
25-24 25-26 25-29 25-35
I I I M
12 12 16 5 4 29 128
16 12 20 12 8 Coax 16 22D
MIL-DTL-38999, Series I LJT, II JT, III TV
Insert Arrangements
CONTACT LEGEND 8 10 12 16 20 22 22M 22D 23
*** For use in MIL-STD-1760 applications (see pages 75 and 76).
ABC
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
W
X
Y
Za
bc
d
e
f
g
h
k
m
n
p
q
r
t
u
vw
x
y
z
sJJ
KK
LL
AA
BBCC
DD
EE
FF
GG
HH
1
6
7
15
16
18
19
21
22
24
26
28
29
32
33
41
42
46
53
59
60
64
67
68
7