The 1658649-1 is a 25-position, shell size 3, HDP-20 basic shielding hardware receptacle kit designed for D-subminiature cable connections. This RoHS compliant kit features a tin-plated steel shell and shield, a 94V-0 rated black thermoplastic insert, and is designed to accept size 20 DF socket contacts. It accommodates a recommended cable outer diameter range of .165 to .455 inches and utilizes a standard clinch nut mounting method. This kit is suitable for applications such as industrial machinery, medical instrumentation, and computers where reliable shielded connections are necessary.