MIL-DTL-55074G
3.10 Immersion (contact assembly and connector). When tested as specified in 4.7.8, the connector and
contact assembly shall meet the requirements of dielectric strength and insulation resistance (see 3.6 and
3.7) and there shall be no evidence of water in the connector housing.
3.11 Interchangeability (contact assembly and connector). When tested as specified in 4.7.9, like units.
assemblies. and subassemblies shall be physically and functionally interchangeable, without modification
of such items or of the connector. Individual items shall not be hand-picked for fit. Reliance shall not be
placed on any unspecified dimension, characteristic, etc.
3.12 Durability (contact assembly and connector). When tested as specified in 4.7.10, the contact
resistance measurements shall be within 10 percent of the measurements taken prior to durability. The
connector shall meet the electrical requirements of 3.5 through 3.8. There shall be no evidence of base
metal showing on the contact, distorted or broken contacts, or binding in the locking cams.
3.13 Mating of covers (cover). After a pair of covers has been mated as specified in 4.7.11, a pull of 5
pounds applied along the long axis of the covers shall not result in separation and they shall meet the
requirements for interchangeability (see 3.11).
3.14 Contact durability (contact assembly). After a pair of contact assemblies has been tested as
specified in 4.7.12, the contact assemblies shall meet the requirements for continuity, dielectric strength,
3.15 Pull (connector). When tested as specified in 4.7.13, the contact assembly shall show no straining of
individual conductors or penetration of the grip to the steel braid of the cable and the assembly shall meet
the requirements for continuity. Dielectric strength, insulation resistance and immersion (see 3.5. 3.6, 3.7.
and 3.10 respectively).
3.16 Shock drop.
3.16.1 Shock drop (connector). When tested as specified in 4.7.14.1. the connectors shall be operable
and any physical damage shall be minor (see table VI). The connector (including contact assembly) shall
3.16.2 Shock drop (contact assembly). When tested as specified in 4.7.14.2, the contact assemblies shall
be operable and any physical trauma shall be minor (see table VI). The contact assembly shall then meet
3.17 Vibration.
3.17.1 Vibration (mated connector). When tested as specified in 4.7.15.1, the mated connectors shall not
disengage as a result of vibration and both connectors shall then meet the electrical requirements of 3.5
3.17.2 Vibration (contact assembly). When tested as specified in 4.7.15.2, the contact assemblies shall
3.18 Temperature cycling (contact assembly and connector). When tested as specified in 4.7.16, the
connector shall meet the requirements for continuity, dielectric strength and insulation resistance (see
3.5, 3.6, and 3.7, respectively). Note: Continuity shall exist through the mated pair of connectors.
3.19 Ninety degree bend (connector U-185( )/G). Connector U-185( )/G shall be capable of being bent in
a 180° arc five times at the boot assembly after exposure to a temperature of -65°F. There shall be no
deterioration of the boot assembly.
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