The 99-9212-00-04 is a 4-contact 125V/2.5A unshielded female Circular Connector with gold-plated bronze contacts, PA (UL94V-0) contact body and housing. The 620 series receptacle with snap locking system, solder termination, front mounting style. It accepts 24AWG (0.25mm2) wire, 3 to 5mm cable outlet.