CONNECTOR CIRCULAR SIZE 23 55WAY; Military Specification:MIL-DTL-38999 Series III; Circular Connector Shell Style:Straight Plug; No. of Contacts:55Contacts; Circular Contact Type:Crimp Socket - Contacts Not Supplied; Coupling Style:Threaded; Insert Arrangement:23-55; Connector Body Material:Stainless Steel Body; Connector Body Plating:Passivated; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:N; Service Class:Corrosion Resistant EMI Firewall; Product Range:MIL-DTL-38999 Series III