MIL-PRF-28876/29E
Shell Shell size
Backshell Dimension Dimension Dimension
Size designator
dash
A
B
C
number
maximum
maximum
maximum
11
A
1L, 2L, 3L
4.2
1.2
(107)
(30.5)
3.0
(76)
1, 2, 3
3.2
1.2
(81)
(30.5)
13
B
1L, 2L
4.3
1.2
(109)
(30.5)
3.1
(79)
1, 2
3.2
1.2
(81)
(30.5)
1.3
15
C
1L, 2L, 3L
4.3
(33)
(109)
3.1
(79)
1.3
1, 2, 3
3.2
(81)
(33)
6.500
2.250
4.200
23
F
1, 2, 3
(165.10)
(57.15)
(106.68)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Dimensions apply to plated/finished part.
4. Metric equivalents (mm) are in parentheses.
5. For mating key dimensions, see figure A-7 of MIL-PRF-28876.
6. Backshell internal configuration not shown. The backshell interface
dimensions shall be in accordance with figure A-7 of MIL-PRF-28876.
Straight backshell - Continued.
FIGURE 1.
REQUIREMENTS:
Dimensions and configurations: See figure 1 herein and MIL-PRF-28876,
figure A-7. When mated to a plug or receptacle, the backshell shall hold
the plug or receptacle insert in proper position (see MIL-PRF-28876, figure
A-6).
Weight: 6.4 ounces (181.44g), maximum.
Fiber optic cable:
Cable diameter: .315 ± .020 inch (8.00 ± 0.51 mm), or .425 ± .043 inch
(10.80 ± 1.09 mm), or .817 ± .049 inch (20.75 ± 1.24 mm).
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".
2
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