MIL-PRF-55339/51A
Minimum test pin (withdrawal force) series TNC:
Steel test pin diameter: .052 inch (1.32 mm), maximum.
Pin finish: 16 microinches (.406 µm).
Withdrawal force: 2 oz (0.56 N), minimum.
Number of withdrawals: 1.
Outer contact, series N:
Minimum test ring ID: .316 inch (8.03 mm), maximum.
PIN finish: 16 microinches (.406 µm).
Insertion force: 25 lb (111.20 N), maximum.
Insertion depth: .093 inch (2.36 mm), minimum.
Number of insertions: 1.
Slotted member contacts only, series N.
Maximum test ring ID: .324 inch (8.23 mm), minimum.
Test ring finish: 16 microinches (.406 µm).
Insertion depth: .031 inch (0.79 mm), maximum.
Number of insertions: 1.
Permeability: <2.0
Seal:
Hermetic: Not applicable.
Pressurized: Not applicable.
Weatherproof: Not applicable.
Insulation resistance: 5,000 megohms, minimum.
VSWR: 1.35:1, maximum at .5 to 9 GHz. 1.5 maximum at 9 to 11 GHz.
RF leakage (total): -60dB, minimum, 2 to 3 GHz.
RF insertion loss: .060 √F (GHz) dB maximum, tested at 6 GHz.
Durability: 500 cycles minimum at 12 cycles/minimum maximum The connector shall meet the mating
characteristics and force to engage and disengage requirements.
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