The 2-320563-4 is a PIDG (Pre-Insulated DIAMOND GRIP) ring tongue terminal used to terminate a 14 AWG wire to a 1/4 inch (M6) stud. It features a tin-plated copper body and a blue/green striped nylon insulation sleeve. This terminal is designed to accommodate a wire insulation diameter ranging from 0.078 to 0.130 inches (1.98 to 3.30 mm). Compliant with military specification M7928/1, this loose-piece terminal provides a reliable connection for applications requiring secure and insulated wire termination.