Liquid Tight Insulated Straight Connector 4″, Malleable Iron
https://nsiindustries.com/product/liquid-tight-insulated-straight-connector-4-malleable-iron/
Use Bridgeport liquid tight insulated malleable iron straight connectors to join metallic liquid tight conduit to an electrical box or enclosure in wet environments. This connector’s NPT threads and sealing gaskets provide a liquid tight connection.