IMC/Rigid Conduit Bushing; Type Threaded Female; Trade Size 3 Inch; Diameter 3-13/16 Inch; Height 13/16 Inch; Throat Type Insulated; Temperature Rating 150 Deg C; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Standard Package 10; Approval UL 514B, UL (Canada and US), CSA; Used On IMC/Rigid Conduit; ROHS Compliant; Applicable Standard Federal Specification A-A-50553, NEMA FB-1; Used with Locknut