MIL-PRF-55339/25C
Coupling proof torque: Not applicable.
Mating characteristics:
Center contact (socket):
Series N
Series BNC
Oversize test pin diameter (inch, minimum):
.057 (1.45 mm)
.074 (1.88 mm)
Insertion depth (inch, minimum)
.125 (3.17 mm)
.125 (3.17 mm)
Number of insertions
1
1
Maximum test pin (insertion force test):
Steel test pin diameter (inch, minimum)
.054 (1.37 mm)
.066 (1.68 mm)
16 (0.407 µm)
16 (0.407 µm)
Pin finish (microinches)
Insertion force (pounds, maximum
2(8.89 N)
2 (8.89 N)
Number of insertions
1
1
Minimum test pin (withdrawal force):
Steel test pin diameter (inch, minimum)
.052 (1.32 mm)
.063 (1.60 mm)
16 (0.407 µm)
16 (0.407 µm)
Pin finish (microinches)
Withdrawal force (ounces, minimum)
2 (0.56 N)
2 (0.56 N)
Number of withdrawals
1
1
Outer contact: Not applicable.
Permeability: < 2.0.
Seal: Hermetic Not applicable.
Pressurized 30 psi (207 kPa) minimum.
Weatherproof 30 lbf/in2 (207 kPa).
Insulation resistance: 5,000 megohms, minimum.
Voltage standing wave ratio (VSWR): 1.30, max .5 to 4 GHz.
RF leakage (total): -55 dB, min, 2 to 3 GHz.
RF insertion loss: .2 dB, max, 3 GHz (.012 √F (GHz) dB max tested at 3 GHz).
Durability: 500 cycles minimum at 12 cycles/min max. The connector shall meet the mating
characteristics and force to engage and disengage requirements.
Dielectric withstanding: Test voltage 1,500 V rms, minimum (sea level).
Contact resistance (milliohms, max).
Initial
After
Contact
Center
2.0
2.5
Outer
0.2
N/A
Outer (-70001)
0.4
N/A
Vibration, high frequency: Interruptions 1 microsecond (µs), maximum.
Shock: Test condition I.
Thermal shock: Test condition C.
3
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