R125075000 50Ω Cable Mount SMA Connector, Crimp Termination RG141. 50 Ohm SMA RF coaxial crimp plug connectors with screw-on mating and a crimp termination. These 50 Ohm RF coax SMA cable mount plugs have a gold plated stainless stainless steel body, gold plated centre contact, are supplied with a silicone gasket and are for use with a variety of RF coaxial cable types.