776535-3 is an AMPSEAL 16 3-way connector cap designed for environmentally sealed electrical connections in industrial and commercial transportation applications. The connector features a C key configuration with yellow polymer lock ring (PLR) and reduced diameter seal, providing reliable environmental protection and keying to prevent incorrect mating. With a contact size of 1.58 mm and black housing, this cap connector is engineered for durability and secure connection in harsh operating environments. The reduced diameter seal design optimizes space efficiency while maintaining environmental sealing integrity, making it suitable for automotive, heavy equipment, and industrial control systems where robust, sealed connections are essential.