1658685-1 is an HDP-22 crimp snap-in contact D-subminiature receptacle connector from the AMPLIMITE cable connector series. This connector features shell size 5 with 78 contact positions and includes clinch nuts for mounting. The connector has dimensions of 2.635 inches (Dim. A), 2.406 inches (Dim. B), and 0.605 inches (Dim. C), with a steel tin-plated shell and 94V-0 rated thermoplastic black insert. The receptacle accepts size 22 DF socket contacts with phosphor bronze construction and duplex gold plating options. Common applications include industrial machinery, medical instrumentation, computers and peripherals, and data storage systems where reliable D-subminiature connections are required.