The THOMAS & BETTS BVIRA-U187 is a PMAFIX Black Female Thread Adapter designed to provide a reliable and secure connection for threaded electrical conduits. This adapter is made from durable Polyamide 6 material, ensuring long-lasting performance even in tough conditions. It features UNEF Threads, guaranteeing a tight and secure fit. With a thread size of 3/4Inch-20, this adapter can easily accommodate various conduit sizes, specifically NW 17. Featuring an IP68 rating, this adapter is completely watertight and offers excellent protection against dust, dirt, and moisture. It is a dependable and versatile solution for any electrical installation that requires a female thread adapter with strong yet flexible construction.