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 5935-00-231-5545
NSN 6320-01-418-6681
NSN 6150-01-336-3657
NSN 5999-01-044-8951
NSN 5835-00-518-4507
NSN 5935-01-579-3166
NSN 5960-01-032-4229
NSN 5945-01-154-1245
NSN 5930-01-473-5252
NSN 6645-00-200-2324
NSN 5905-01-085-6959
NSN 6150-01-415-3311