MIL-PRF-31031B
c. Pictorial presentation of subassemblies and loose piece parts.
d. Sufficient pertinent dimensions for verification of correct parts; as a minimum, the cable entry
openings for conductor, dielectric, braid, and jacket shall be specified.
e. Recommended cable clamp tightening torque (if applicable).
f. Military PIN and manufacturers PIN.
3.5 Force to engage/disengage.
3.5.1 Bayonet and threaded types. When tested as specified in 4.6.2.1, the torque necessary to
completely couple or uncouple the connectors shall not be exceeded as specified (see 3.1). Also the
longitudinal force necessary to initiate the engaging or disengaging cycle shall not exceed that specified
(see 3.1).
3.5.2 "Push on" connector types. When tested as specified in 4.6.2.2, the forces necessary to fully
engage or disengage the connectors shall not be exceeded as specified (see 3.1).
3.6 Coupling proof torque (when specified, see 3.1). When tested as specified in 4.6.3, the coupling
mechanism (threaded types) shall not be dislodged and the connector shall meet requirements of 3.5.1.
The interface dimensions of the connector shall remain as specified (see 3.1).
3.7 Mating characteristics. When connectors are tested as specified in 4.6.4 , the mating dimensions
shall be gauged as specified (see 3.1) and the dimensions shall remain within the specified tolerances
(see MIL-STD-348).
3.8 PermeabiIity of nonmagnetic materials. When connectors (except hermetic sealed) are tested as
specified in 4.6.5, the permeability "µ" (Mu) shall be less than 2.0. The permeability requirement does not
apply to connector hardware.
3.9 Hermetic seal (pressurized connectors). When connectors are tested as specified in 4.6.6, the
leakage rate shall not exceed that specified (see 3.1).
3.10 Leakage (pressurized connectors). When connectors are tested as specified in 4.6.7, there shall
be no leakage as detected by escaping air bubbles.
3.11 Insulation resistance. When connectors are tested as specified in 4.6.8 , the insulation resistance
shall be not less than that specified (see 3.1).
3.12 Center contact retention (when specified. see 3.1). When connectors are tested as specified in
4.6.9, the center contacts shall not be displaced from the specified interface dimensions in the uncabled
connector by the application of the specified axial force (see 3.1) in either direction.
3.13 Corrosion. When connectors are tested as specified in 4.6.10, there shall be no exposure of the
base metal on the interface or mating surface, and the connectors shall meet the requirements of 3.5.1 or
3.5.2, as applicable.
3.14 VSWR. When connectors are tested as specified in 4.6.11, the VSWR shall not exceed the value
specified over the frequency range (see 3.1).
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