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 6240-01-431-5790
NSN 6645-01-416-2401
NSN 5855-01-072-8885
NSN 5965-01-645-4101
NSN 5905-01-437-3575
NSN 6650-01-049-1881
NSN 6220-01-117-7619
NSN 5925-00-026-4781
NSN 6110-01-431-5770
NSN 4140-00-295-0787
NSN 5985-01-470-9675
NSN 5930-01-323-5718