Description Lightweight 6-pin cable-mount audio plug with solder cup terminal, gold over nickel rigid contacts, uses 3/16" ID molded strain relief to be provided by end user. Mates with GC283, GC328 and GC683S. Aluminum body is 50% lighter than mil qualified MIL-DTL-55116 equivalent. Connectors are used throughout military radio systems and intercom systems for ground, vehicle, airborne, and naval communications.