Bridgeport 157-MI Rigid to Enclosure Malleable Iron Insulated Threaded Hub 2-1/2 IN, Box of 1
https://nsiindustries.com/product/rigid-to-enclosure-malleable-iron-insulated-threaded-hub-2-1-2/
The Bridgeport 2-1/2″ Rigid to Enclosure Malleable Iron Insulated Threaded Hub securely connects threaded rigid service entrance conduit to a box or enclosure. The hub features a sealing ring to prevent contaminants from entering the enclosure.