Liquid Tight Straight Connector 4″, Die Cast Zinc, NPT Threads
https://nsiindustries.com/product/liquid-tight-straight-connector-4-die-cast-zinc-npt-threads/
Use Bridgeport liquid tight zinc straight connectors to join metallic and nonmetallic “Type B” liquid tight conduit to a box or enclosure in wet environments. The NPT threads, polyethylene gasket and inner sealing ring provide a liquid tight seal.