Bridgeport Non-insulated throat conduit nipple features die-cast zinc construction and ball burnished mirror smooth finish. It measures 2-Inch x 3/4-Inch. Nipple with MNPT connection, has 2-7/8-Inch x 5/16-Inch hex. It is suitable for use on rigid and IMC conduit fittings. Conduit nipple with a locknut, serves as a short raceway between enclosures. Conduit nipple is UL listed, CSA certified, NEMA rated and RoHS compliant.