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 5945-01-289-5768
NSN 5998-01-549-6750
NSN 6110-00-196-8813
NSN 5925-00-525-4037
NSN 2925-01-494-8360
NSN 5960-01-530-0581
NSN 5999-00-892-3872
NSN 6650-01-512-8103
NSN 5999-00-286-6231
NSN 6645-00-482-2737
NSN 6135-01-277-3345
NSN 5990-00-131-3269