CIRCULAR, SIZE 23, 21WAYS, PIN; Product Range:-; Circular Connector Shell Style:Jam Nut Receptacle; No. of Contacts:21Contacts; Circular Contact Type:Crimp Pin; Coupling Style:Threaded; Insert Arrangement:23-21; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Electroless Nickel; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:E; Service Class:EMI; Equivalent Military Specification:MIL-DTL-38999 Series III; Approval Category:MIL-DTL-38999 Series III