IMC/Rigid Conduit Connector; Type Set Screw; Throat Type Non-Insulated; Trade Size 1 Inch; Diameter 1-7/8 Inch; Length 1-15/16 Inch; Thread Length 1-3/8 Inch; Material Zinc Plated Malleable Iron; Constructional Feature Concrete-Tight; Standard Package 250; Approval UL 514B, UL (Canada and US); Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1