51982 is a COPALUM Lite sealed terminal or splice designed for lightweight, reliable electrical connections in aerospace applications. Constructed from aluminum with tin over nickel plating, this terminal provides up to 60% weight savings compared to copper terminals. The product features TE Connectivity's time-tested dry crimp technology that forms oxide-free terminations through a single-step crimp process that also provides watertight wire sealing. With a temperature rating of 175°C, sealed crimp capability of 80 psi, and 500 hours salt spray resistance, it is qualified for use in commercial aircraft, unmanned aerial vehicles, primary power feeders, and grounding systems.