EMT Conduit Coupling; Type Compression; Trade Size 3 Inch; Diameter 4-1/16 Inch; Length 4-7/8 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