Bridgeport 456-SLTI 2-1/2 IN Ins Mall/Steel Lt Conn, Box of 1
https://nsiindustries.com/product/liquid-tight-insulated-45-degree-connector-2-1-2-malleable-iron/
Use Bridgeport liquid tight 45-degree connectors to join metallic liquid tight conduit to an electrical box or enclosure in wet locations. This connector’s NPT threads, knockout gasket and internal sealing ring provide a liquid tight connection.