Conduit Reducing Washer; Trade Size 1-1/2 Inch x 1 Inch; Inner Diameter 1-3/8 Inch; Outer Diameter 2-5/8 Inch; Conduit Type Rigid, IMC; Material Steel; Finish Galvanized; Approval UL 514B, CSA; ROHS Compatible; Applicable Standard Federal Specification A-A-50553, NEMA FB-1