MIL-PRF-49142B
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 not be less than 5.000 megohms (MΩ) minimum. Following the environmental tests
insulation resistance shall not change from the initial requirement.
3.12 Conductor retention. When all class 1 and class 2 connectors are tested (when applicable see
3.1) as specified in 4.6.9, the center conductor must 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 Salt spray (corrosion). Unless otherwise specified (see 3.1), connectors shall be tested as
specified in 4.6.10. There shall be no exposure of the base metal on the interface or mating surface, and
they shall meet the requirements of 3.5.1 or 3.5.2 as applicable. Following the test, connectors shall
meet the requirements of 3.11.
3.14 Dielectric withstanding voltage. When connectors are tested as specified in 4.6.11, there shall
be no evidence of breakdown.
3.15 Vibration, high frequency. When the cabled (or wired, as applicable) connector is tested as
specified in 4.6.12, there shall be no electrical interruptions exceeding 1 microsecond (µs), unless
otherwise specified (see 3.1). There shall be no evidence of visual mechanical damage after the test.
3.16 Shock (specified pulse). When the cabled (or wired. as applicable) connector is tested as
specified in 4.6.13, there shall be no electrical interruptions exceeding 1 microsecond (µs), unless
otherwise specified (see 3.1). There shall be no evidence of visual or mechanical damage after the test.
3.17 Thermal shock. When connectors are tested as specified in 4.6.14, there shall be no evidence
of visual mechanical damage to the connector and it shall meet the dielectric withstanding voltage
requirements (see 3.14).
3.18 Moisture resistance. Unless otherwise specified (see 3.1), connectors shall be tested as
specified in 4.6.15 and there shall be no evidence of damage. Insulation resistance shall be as specified
in 3.11.
3.19 Conductor resistance. When connectors are tested as specified in 4.6.16, the conductor
resistance of the center conductor, immediate conductor, and outer conductor to body shall be as
specified (see 3.1).
3.20 Corona level. When connectors are tested as specified in 4.6.17, at the altitude and voltage
specified (see 3.1), there shall be no evidence of sustained corona discharge.
3.21 RF high potential withstanding voltage. When connectors are tested as specified in 4.6.18,
there shall be no breakdown, and the leakage current specified shall not be exceeded (see 3.1).
3.22 Cable retention force. When applicable (see 3.1) connectors shall be tested as specified in
4.6.19, and there shall be no evidence of mechanical failure, loosening, rupture, or discontinuity.
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