Bridgeport® Conduit Bushing, 2-1/2 in Trade, 105 deg C, Plastic, Gray, Plain, 2-3/8 in ID x 3-1/8 in OD x 5/8 in W
Plastic bushing is used with locknut to terminate threaded rigid and IMC to box. Bushing can also be used with connector to prevent damage to wire insulation.