Blank Plugs - Haz Loc, Thread Gender Male to Male, Trade Size 2 1/2 in, Compatible Conduit Type IMC, Threaded RMC, Compatible Conduit Trade Size 2 1/2 in, Ends - Hazardous Fittings 2 1/2 in MNPT, Overall Length 5/8 in, Aluminum, Finish Plain, Hazardous Location Rating Class I, Division 1 and 2, Groups A, B, C, D, Class II, Division 1 and 2, Groups E, F, G, Class III, PLG, For Use With IMC, Threaded Conduit, Conduit Fitting Type Plug, Connection Orientation Straight, Fitting Type Plug