... or gold-plated brassFemale socket gold-plated beryllium copper alloy3, Insulator PTFE4, Gaskets silicone rubber5, Crimp Ferrule: seamless nickel plated copper ... tubeOther information 1, Coupling: bayonet-lock 2, Durability: 500 mating 3, Temperature Range: -55 to +155 4,Corrosion 5% salt solution ...