Body and Fittings: Brass, White Bronze Plating
Center Contact: Gold Plated Beryllium Copper
Connector meets the interface requirements of MIL-STD-348.
Finish:
Body and Fittings: White Bronze Plating
Center Contact: Gold 30 microinches minimum over nickel 50 microinches.

Ratings:

Operating Voltage: 1000 VRMS
Nominal Impedance: 50 Ohms
Dielectric: PTFE