CIRCULAR CONN RCPT 13-4 WALL MOUNT; Product Range:Tri-Start TV Series; Circular Connector Shell Style:Wall Mount Receptacle; No. of Contacts:4Contacts; Circular Contact Type:Crimp Socket; Coupling Style:Threaded; Insert Arrangement:13-4; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Olive Drab Chromate over Cadmium; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:E; Service Class:Corrosion Resistant EMI; Equivalent Military Specification:MIL-DTL-38999 Series III