CIRCULAR SIZE 28 37WAY PIN; Product Range:97 Series MIL-DTL-5015 Series Equivalent; Circular Connector Shell Style:Box Mount Receptacle; No. of Contacts:37Contacts; Circular Contact Type:Solder Pin; Coupling Style:Threaded; Insert Arrangement:28-21; Connector Body Material:Aluminium Alloy Body; Connector Body Plating:Olive Drab Chromate over Cadmium; Contact Material:Brass Copper Alloy; Contact Plating:Silver; Insert Rotation:N; Service Class:General Duty; Approval Category:MIL-DTL-5015