CIRCULAR SIZE 17 39WAY SKT (L/C); Military Specification:MIL-DTL-38999 Series III; Circular Connector Shell Style:Jam Nut Receptacle; No. of Contacts:39Contacts; Circular Contact Type:Crimp Socket - Contacts Not Supplied; Coupling Style:Threaded; Insert Arrangement:17-2; 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:Corrosion Resistant EMI; Product Range:MIL-DTL-38999 Series III