Datasheet
31
2.008 MAX
51.00 MAX
BLUE
BAND
†
1.687 MAX
42.85 MAX
2.030 MAX
51.56 MAX
**
.100 MAX
2.54 MAX
OUTER SLEEVE MOVEMENT
DURING UNMATING
THREAD RELEASE
2.000 MAX
50.80 MAX
ACCESS.
DIA
LANYARD LENGTH
(See Lanyard Length Table)
METRIC
THREAD
M37X
1.0-6g0.100R
**
2.000 MAX
50.80 MAX
ACCESS.
DIA
.374 MAX
9.50 MAX
OUTER SLEEVE MOVEMENT
DURING UNMATING
THREAD RELEASE
.359 MAX
9.12 MAX
2.705 MAX
68.71 MAX
BLUE
BAND
†
1.781 MAX
45.24 MAX
2.375 MAX
60.33 MAX
LANYARD LENGTH
(See Lanyard Length Table)
METRIC
THREAD
M37X
1.0-6g
0.100R
.359 MAX
9.12 MAX
D38999/31 for MIL-STD-1760
TV Breakaway Fail Safe – crimp, metal
lanyard release plug
TYPE 6 TYPE 2
Part number reference.
See how to order, page 32 to
complete.
D38999/31
88-555875/76
91-555875/76
88-558518/19
91-558518/19
T3W-16B25-XXXX
Type 6
Type 2
† Blue band indicates rear release
contact retention system
** Lanyard pulled taut against a
.500 ± .13 dia. mandrel
All dimensions for reference only
PIN CONTACTS ONLY,
SHELL SIZE 25 ONLY
BLUE
BAND
†
2.000 MAX
50.80 MAX
ACCESS.
DIA
2.008 MAX
51.00 MAX
.359 MAX
9.12 MAX
METRIC
THREAD
M37X
1.0-6g0.100R
.280 MIN
7.11 MIN
FULL
THREAD
LANYARD LENGTH
(See Lanyard Length Table)
2.499 MAX
63.47 MAX
TYPE 1 (LONGER SHELL)
Standard Contact
Shell Arrangement Number Size Service Contact
Size Number of Contacts Contacts Rating Location Pin Socket
3 8 Twinax A, H, K M39029/90-529 M39029/91-530
4 12 Coax 2, 3 M39029/28-211 M39029/75-416
W, 5 M39029/102-558 M39029/103-559
25 -20 13 16 N C, D, E, F, M39029/58-364 M39029/56-352
J, M, N, P
R, T, U, Y, Z
10 20 N B, G, L, S M39029/58-363 M39029/56-351
V, X, 1, 4
6, 7
Insert Service Total Contact Size
Arrangement Rating Contacts 20 10 (power)
25-11 N 11 2 9
Insert Service Total Contact
Arrangement Rating Contacts 20 16 12 (coax) 8 (twinax)
25-20 N 30 10 13 4 3
Pin Contact Data for MIL-STD-1760
Contacts for 25-20 Pattern
A
B
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
A
B
C
D
E
F
G
H
J
KL
INSERT AVAILABILITY
FAIL SAFE D38999/31
FOR MIL-STD-1760
25-20
Primary Interface Signal Set
Contact
Legend
8 (twinax) 10 (power) 12 (coax) 16 20
25-11
Auxillary Power Signal Set
Type 1
Tri-Start Lanyard Separation Forces
Shell Straight Pull 15 Degree Pull
Size (lbs. max.) (lbs. max.)
25 90 100