776534-3 is an AMPSEAL 16 2-way connector cap designed for environmentally sealed electrical connections in industrial and commercial transportation applications. The connector features a C key configuration with black housing and yellow polycarbonate locking ring (PLR), providing keyed mating to prevent incorrect connections. It incorporates a reduced diameter seal for enhanced environmental protection while maintaining compact dimensions. The 1.58 mm contact size accommodates standard wire gauges, and the connector is supplied with included wedge/TPA components for secure assembly. This cap connector is ideal for harsh automotive and industrial environments where reliable, sealed connections are essential.