Liquidtight 1-1/2″ 90-degree Aluminum Connector
https://nsiindustries.com/product/liquidtight-1-1-2-90-degree-aluminum-connector/
Bridgeport Liquidtight 90-degree Aluminum Connectors join metallic and nonmetallic “Type B” Liquidtight conduit to a box or enclosure in wet environments. The NPT threads, polyethylene gasket and inner sealing ring provide a liquidtight seal.