MIL-PRF-31031/1B
ENGINEERING DATA
Nominal Impedance: 50 ohms ±1 ohm.
Frequency range: 0 to 18 GHz (frequency limit is dependent on cable used).
Voltage rating:
Cable group II: 250 V rms at sea level; 65 V rms at 70,000 feet.
Cable group Vl: 335 V rms at sea level; 86 V rms at 70,000 feet.
Temperature rating: -65°C to +125°C.
REQUIREMENTS: The following tests assure connector integrity within typical operating conditions and
applications. Alternate methods shall be made known to the qualifying authority prior to performance of
the test. The test methods described in the general specification and herein are proven methods and
shall be the referee method in case of dispute.
Dimensions and configurations: See figures 1 and 2 and MIL-STD-348.
Force to engage and disengage:
Longitudinal force: 3 pounds maximum.
Torque: Not applicable.
Radial misalignment: ±.020 inch (0.05 mm) minimum.
Axial misalignment: .060 inch (1.52 mm) minimum.
Coupling proof torque: Not applicable.
Mating characteristics:
Reference: MIL-STD-348 for dimensions.
Hermetic seal: Not applicable.
Permeability: Applicable.
Leakage (pressurized connectors): Not applicable.
Insulation resistance: Test procedure 021 of EIA 364, 5,000 megohms minimum.
Center contact retention: 6 pounds minimum axial force.
Radial torque: Not applicable.
Corrosion (salt spray): Test procedure 026 of EIA 364, test condition B.
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