EMT Conduit Connector; Type Compression; Throat Type Insulated; Trade Size 2-1/2 Inch; Diameter 3-7/16 Inch; Length 2-11/16 Inch; Thread Length 3/16 Inch; Material Zinc Electroplated Steel; Constructional Feature Concrete-Tight; Standard Package 10; Approval UL 514B, UL (Canada and US); Used On EMT Conduit; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1