Dyed brown
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6135-00-269-5843
NSN 6320-01-087-5377
NSN 5960-00-652-5921
NSN 5920-01-408-5881
NSN 5999-00-420-1483
NSN 6220-01-445-5544
NSN 5935-01-168-8781
NSN 6105-01-379-8014
NSN 5950-01-191-6407
NSN 5910-01-207-4488
NSN 6650-01-650-5771
NSN 6220-01-084-0287