CONNECTOR CIRCULAR SIZE 20 39WAY; Product Range:KPSE Series MIL-DTL-26482 Series I Equivalent; Circular Connector Shell Style:Box Mount Receptacle; No. of Contacts:39Contacts; Circular Contact Type:Crimp Pin; Coupling Style:Bayonet; Insert Arrangement:20-39; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Olive Drab Chromate over Cadmium; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:Z; Service Class:Environmentally Sealed; Approval Category:MIL-C-26482