Push on Nonmetallic Liquid Tight Straight Connector 3/4″, Nylon
https://nsiindustries.com/product/push-on-nonmetallic-liquid-tight-straight-connector-3-4-nylon/
Use Bridgeport Push On nonmetallic liquid tight straight connectors to join nonmetallic “Type B” liquid tight conduit to a box or enclosure in wet environments. NPT threads, a knockout gasket and inner sealing provide a liquid tight connection.