CIRCULAR SIZE 23 55WAY SKT; Military Specification:MIL-DTL-38999 Series III; Circular Connector Shell Style:Straight Plug; No. of Contacts:55Contacts; Circular Contact Type:Crimp Socket; Coupling Style:Threaded; Insert Arrangement:23-55; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Electroless Nickel; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:E; Service Class:EMI; Product Range:MIL-DTL-38999 Series III