MIL-DTL-28840/1F
REQUIREMENTS:
Design and construction:
Dimensions and configurations: See figure 1.
Interface dimensions shall conform to MIL-DTL-28840.
Material and finish: See table I.
TABLE I. Material and finish.
Material and finish
Material
Finish
designator
Aluminum alloy in accordance with
Cadmium plate, olive drab over
SAE-AMS-QQ-A-225, ASTM B85/B85M,
electroless nickel
W
ASTM B26/B26M, ASTM B108/B108M,
ASTM B209/B209M, ASTM B211, or
ASTM B221
Corrosion resistant steel in accordance with
Cadmium plate, black 1/
ASTM A276, ASTM A473, or
D
ASTM A580/A580M, type 316
Pure electro-
F
Aluminum alloy in accordance with
deposited aluminum,
SAE-AMS-QQ-A-225, ASTM B85/B85M,
non-reflective
ASTM B26/B26M, ASTM B108/B108M,
Nickel fluorocarbon polymer,
L
ASTM B209/B209M, ASTM B211, or
non-reflective
ASTM B221
S
Zinc nickel, non-reflective
Nickel fluorocarbon polymer,
Corrosion resistant steel in accordance with
N
non-reflective
ASTM A276, ASTM A473, or
ASTM A580/A580M, type 316
R
Zinc nickel, non-reflective
1/ Screws and washers shall be passivated in accordance with SAE-AMS2700, type 2.
Marking: The strain relief clamp shall be identified with the manufacturer's name or trademark and
the Part or Identifying Number (PIN).
PIN example:
M28840/
1
J
W
Military designator
Specification sheet number
Shell size designator
Material and finish designator
(See table I)
3
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