ALLIED TUBE & CONDUIT 904153 IMC Coupling, 4 in, Coupling, Steel, Galvanized,

Coupling, Steel, Trade Size 4 in, Overall Length 3 1/2 in, Finish Electrogalvanized, Insulated No, Compatible Conduit Type GRC, IMC, Thread Size 4 In. -8, Thread Type NPT, Thread Gender Female, Conduit Fitting Type Coupling, Standards U. L. 6, ANSI C 80.1, NEC 344, NEC 250.118, For Use With Fits IMC and GRC Conduits, For Conduit Type GRC, IMC, Overall Height 3 1/2 in, Color Silver, Connection Type Coupling, Outside Diameter 4.88 in, Reduction Size 5 in to 1/2 in