IMC/Rigid Conduit Coupling; Type 3-Piece, Threaded; Trade Size 1-1/4 Inch; Diameter 2-3/8 Inch; Length 1-7/8 Inch; Material Zinc Electroplated Malleable Iron; Constructional Feature Concrete-Tight; Standard Package 25; Approval UL 514B, UL (Canada and US), CSA; Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1