CONNECTOR, CIRCULAR, 65WAY, SIZE 20; Military Specification:MIL-DTL-38999 Series II; Circular Connector Shell Style:Wall Mount Receptacle; No. of Contacts:65Contacts; Circular Contact Type:Crimp Socket; Coupling Style:Bayonet; Insert Arrangement:20-2; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Olive Drab Chromate over Cadmium; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:N; Service Class:Environmentally Sealed; Product Range:MIL-DTL-38999 Series II