MI-T-M CORPORATION 23-0012 - HEX NUT - HEX NUT, FOR USE WITH GRAINGER ITEM NUMBER 3WB72, 3WB90, 1RM75, 2GXK7, 2GXK8, 3WB75, 3WB76, 2GXK9, 2GXL1, 1RM77, 1RM78, FOR USE WITH MFR. MODEL NUMBER GC-3004-4MGH, GC-3504-4MGH, GC-4003-3MGH, GH-2504-SM10, GH-2504-SM30, GH-2504-0M10, GH-2504-0M30, GH-3004-SM10, GH-3004-SM30, GH-3004-0M10, GH-3004-0M30, FITS BRAND MI-T-M - EQUAL TO G2891150