IMC/Rigid Conduit Connector; Type Compression; Throat Type Non-Insulated; Trade Size 2-1/2 Inch; Diameter 3-3/4 Inch; Length 2-15/16 Inch; Thread Length 1-2/3 Inch; Material Zinc Plated Malleable Iron; Standard Package 10; Approval UL 514B, UL (Canada and US); Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1