MIL-DTL-38999, Series I LJT, II JT, III TV, HD
Insert Availability and Identification Chart
38999
MIL-DTL-
Contact Size
Hermetics
Series Series Series Military
27599
JT/LJT
Solder
P
X
X
III
Crimp Class Class TV* Service
Total
Contacts
2
23 22D 22M 22 20 16 12 12
10
8
8††
JT II LJT I TV III
III
HD
(Coax) (Power) (Coax) (Twinax)
H
Y
Rating
M
II
I
8-2n
2
3
8-3n
NA
P
P
M
Grounded
M
3
1
6
9-3n
9-5Hn
1
SJT
Access
Aquacon
8-6
X
X
X
X
X
P
P
P
P
6
7
9-6
9-7n
M
N
I
7
9
2
9-9n
9-35
9-94n
9-98
9
9-22n
9-35
X
2
8-35
8-44
X
X
X
X
u
P
P
P
P
P
P
M
6
6
A35
P
M
4
4
9-44
M
M
2
4
2
2
8-97n
8-98
X
S
X
2
X
X
X
3
2
X
X
P
P
P
P
I
I
I
3
2
4
3
9-98
A98
B2
P
P
11-2H 11-2H
P**
2
10-4
10-5
4
11-4
11-4
11-5
X
X
X
S
X
X
P
P
I
I
5
6
5
6
11-5
B5
11-6n
10-13
10-35
X
X
P/S P/S
P/S P/S
M
N
M
II
I
13
19
13
4
13
11-13
11-19n
19
X
X
P/S P/S
P/S P/S
13
4
11-35 11-35
11-54n
B35
P
u
X
10-98
10-99
12-3
X
X
X
X
X
P/S P/S
P/S P/S
6
6
7
11-98 11-98
11-99 11-99
13-3n
B98
B99
P
P
P
P
I
II
I
7
3
4
X
X
X
u
X
P
P
3
4
P
X
X
X
X
12-4
12-8
X
X
X
X
P
P
P
P
P
P
P
P
13-4H 13-4H
C4
C8
P
P
I
8
4
8
13-8
13-8
I, Fiber
Optic
13-13n
2**
2
2
12-22
X
X
2
P/S P/S
P/S P/S
M
22
22
13-22
X
13-26n
13-32n
M
N
8
32
6
32
12-35
12-98
X
X
u
P/S P/S
P/S P/S
M
l
22
4
22
13-35 13-35
13-63n
C35
C98
P
P
2
5
2
X
X
X
X
X
P/S P/S
P/S P/S
I
10
13
10
13-98 13-98
15-ATn
I
10
3
4
14-4n
14-5
2
I
4
5
u
15-4n 15-4n
15-5H 15-5H
2
X
X
X
X
P
P
P
P
II
D5
P
X
+
Completely tooled.
HD designates High Density 38999 Series III insert patterns which
use size 23 contacts only. Not rated over 175°C.
Majority of tooling is completed
(contact Amphenol Aerospace for availability).
*
Hermetic inserts - solder termination standard. (Contact Amphenol
Aerospace for optional PCB or eyelet termination).
Two size 16 contacts dedicated to fiber optics. See the Fiber Optic
section for more information.
u
P
S
Not tooled for 02-R.
**
Available with Pin contacts only
Available with Socket contacts only
***
†
††
(2)
(3)
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.
Not Tooled for RP or 02RE
Pin inserts only, not tooled for RP or 02RE (Consult Amphenol
Aerospace for avail.)
MS Connector 21-79 has provision for two size 8 coax contacts.
Coax contacts are not supplied unless specified by customer.
P/S Available with Pin contacts or Socket contacts
H
Ground plane proprietary option available. Arrg. 9-5 is exclusively
ground plane type.
n
G
Not Mil-Qualified.
21-75 is Mil-Qualified 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.
(5)
2
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com