MIL-PRF-28876/2E
Fiber optic cable:
Cable diameter: .315 ± .020 inch (8.00 ± 0.51 mm), .425 ± .043 inch (10.80
± 1.09 mm), or .817 ± .049 inch (20.75 ± 1.24 mm).
Protective caps: Each connector shall be supplied with protective caps over
the front and rear portions of the connector.
Insert arrangement:
See appendix B of MIL-PRF-28876 for desired shell size.
Termini: Style P (pin) or S (socket). See MIL-PRF-29504/1, MIL-PRF-
29504/2, MIL-PRF-29504/12, MIL-PRF-29504/13, MIL-PRF-29504/14, and MIL-PRF-
29504/15 (For dummy terminus, see MIL-PRF-29504/3).
Cleaning procedures: Each shipment of connectors shall include recommended
cleaning procedures. The following wording or equivalent is recommended:
"To clean, use lint free wipe dampened with alcohol and blow dry with air".
Shell polarization: 1 through 6 keyway positions.
See MIL-PRF-28876,
appendix A, figure A-3.
Marking:
PIN:
Marked on flange of receptacle (see table I).
B
1
2
P
1
M28876/2
Basic PIN
Keying position number
Shell size designator
Terminus/insert style
Insert arrangement number
Backshell dash number
(indicating cable dia)
TABLE I.
PIN designators.
Maximum cable outer
Shell size
Insert
Terminus/
Key
Shell
diameter in accordance
size
designator
arrangement
insert
position
with backshell
style
number
dash number
-1
-2
-3
11
A
1
P or S
1, 2, 3,
.250
.346
4, 5, or 6 (6.35)
(8.79)
.453
.346
.285
13
B
1
P or S
1, 2, 3,
(8.79) (11.50)
4, 5, or 6 (7.24)
.375
.250
.500
15
C
1 or 2
P or S
1, 2, 3,
(9.53)
(6.35)
4, 5, or 6 (12.70)
23
F
1 or 2
P or S
1, 2, 3,
.866
1.000
.600
4, 5, or 6 (22.00) (25.40) (15.24)
3
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