776532-4 is an AMPSEAL 16 series 8-way plug connector designed for environmentally sealed electrical connections in industrial and commercial transportation applications. This connector features a D key configuration with a black housing and green PLR (Positive Lock Retainer), along with a reduced diameter seal for secure wire sealing. The contact size is 1.58 mm, and the connector includes an integrated wedge/TPA (Terminal Position Assurance) for reliable contact retention. The AMPSEAL 16 series is well-suited for harsh environment applications requiring robust, sealed connections in automotive, agricultural, and heavy equipment systems.