RACO 1256 IMC Locknut, 4 in, Threaded, Steel, Zinc Plated, Gray
Grounding LockNut for Threaded RMC/IMC, Steel, Trade Size 4 in, Overall Length 5 3/8 in, Finish Zinc Plated, Compatible Conduit Type RMC, Thread Size 4 In.-8, Thread Type NPT, Thread Gender Female, Conduit Fitting Type Locknut, Standards CSA...
