554955-2 is a shielded CHAMP cable receptacle connector kit designed for 50-position interconnection applications. This kit features a screw or bail lock mechanism with B slot configuration and is suitable for cable diameters greater than 0.500 inches (12.70 mm) up to 0.625 inches (15.88 mm). The kit includes components for proper cable termination including inner ferrule, heat shrink, and shielding elements for effective EMI protection. It is part of the CHAMP Interconnection System, providing reliable shielded connections commonly used in data communication and industrial control applications where electromagnetic shielding effectiveness is critical.