CONNECTOR, CIRC, 16-42, 42WAY, SIZE 16; Military Specification:MIL-DTL-38999 Series II; Circular Connector Shell Style:Straight Plug; No. of Contacts:42Contacts; Circular Contact Type:Crimp Socket; Coupling Style:Bayonet; Insert Arrangement:16-42; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Electroless Nickel; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:N; Service Class:Environmentally Sealed; Product Range:MIL-DTL-38999 Series II