Amphenol B1121E1-ND3G-5-50 B1121E1-ND3G-5-50 BNC connector Plug, straight 50 Ω 1 pc(s)

All of the connectors made of nickel-plated brass and of industrial quality. Contacts: Plug: gold-plated brass, Socket: Beryllium copper gold-plated. Contact resistor: Inner conductor 1.5 mΩ, Outer conductor 1 mΩ, Insulation resistance 5000 MΩ.

Price: 5.49 from Conrad Electronic