The 99 0621 00 07 is a 7-contact 125V/5A unshielded straight miniature male Circular Connector with silver-plated brass contacts, PBT (UL94V-0) contact body and PA (UL94V-0) housing. The 678 series plug with Bayonet locking system, solder termination, cable mounting style. It accepts 20AWG (0.75mm2) wire, 4 to 6mm cable outlet.