IMC/Rigid Conduit Bushing; Type Threaded Female; Trade Size 1-1/2 Inch; Diameter 2-1/8 Inch; Height 9/16 Inch; Throat Type Insulated; Temperature Rating 150 Deg C; Material Ball Burnished Mirror Smooth Die-Cast Zinc; Standard Package 100; 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