MIL-PRF-49142/3F
ENGINEERING DATA:
Nominal impedance: Non-constant.
Frequency range: 0 to 500 MHz minimum.
Voltage rating: 400 V rms maximum working voltage at sea level. 100 V rms maximum working voltage
at 70,000 feet (4.437 kPa).
Temperature range: -65°C to +165°C.
REQUIREMENTS:
Dimensions and configuration: See figure 1 and MIL-STD-348.
Force to engage and disengage:
Longitudinal force: 4 pounds (17.79 N) maximum.
Torque: 2.5 inch-pounds (0.28 Nm) maximum.
Coupling proof torque: Not applicable.
Mating characteristics: See MIL-STD-348 for dimensions.
Intermediate contact:
Test ring ID: .169 inch (4.29 mm) maximum, 16-microinch (0.406 µm) finish.
Insertion force: 3 pounds (13.34 N) maximum when inserted a minimum of .093 inch (2.36 mm).
Contacts with slotted members: Shall contact a .173 inch (4.39 mm) minimum diameter ring within
.031 inch (.079 mm) of their tip ends.
Outer contact gauge test:
Outer contact:
Test: ring ID: .319 inch (8.10 mm) maximum, 16-microinch (0.406 µm) finish.
Insertion force: 5 pounds (22.24 N) maximum when inserted a minimum of .093 inch (2.36 mm),
contacts with slotted members shall contact a .324 inch (8.23 mm) maximum diameter ring within
.031 inch (.079 mm) of their tip ends.
Permeability: Applicable.
Hermetic seal: Not applicable.
Leakage: Not applicable.
Insulation resistance: 5,000 megohms.
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