The 1658684-1 is a D-subminiature receptacle from the AMPLIMITE HDP-22 Crimp Snap-In Contact Connector series. It features a shell size of 4 with 62 contact positions and is designed to accept size 22 DF socket contacts. This connector is equipped with clinch nuts for secure panel mounting and has key dimensions of 2.729 inches (A), 2.50 inches (B), and 0.494 inches (C). As a RoHS compliant component, it is suitable for various commercial uses such as industrial machinery, computer peripherals, and medical instrumentation.