The Husky E109058 Air Compressor Bushing 1.5" NPSM X 1/4" NPTF is a replacement threaded fitting used to connect components within a compatible air compressor system. It provides a transition between the specified 1.5-inch NPSM and 1/4-inch NPTF threaded connections, helping establish a secure connection between different fitting sizes. The bushing supports proper component assembly a... https://www.wholetoolbox.com/husky-e109058-air-compressor-bushing-1-5-npsm-x-1-4-nptf/E109058.html