The HellermannTyton 166-21909 is an electrical straight terminal connector with a PG outside thread, a HelaGuard coating, and an IP68 rating. The connector is designed to waterproofly connect and seal two cables, tubes, fittings, and other components. It has a straight terminal design for high/low voltage applications in harsh environmental conditions and with a robust thermoplastic housing that can withstand impacts, chemical agents, and UV exposure. It is also resistant to extreme temperatures, corrosion, and vibration fatigue.