CIRCULAR SIZE 19 66WAY SKT (L/C); Military Specification:MIL-DTL-38999 Series III; Circular Connector Shell Style:Wall Mount Receptacle; No. of Contacts:66Contacts; Circular Contact Type:Crimp Socket - Contacts Not Supplied; Coupling Style:Threaded; Insert Arrangement:19-35; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Electroless Nickel; Contact Material:Copper Alloy; Contact Plating:Gold; Insert Rotation:B; Service Class:EMI; Product Range:MIL-DTL-38999 Series III