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 6645-01-575-6955
NSN 6650-00-143-1889
NSN 5915-00-012-1593
NSN 5950-01-123-8323
NSN 6620-01-148-5191
NSN 6145-01-129-2836
NSN 5990-01-581-5103
NSN 5960-01-334-5146
NSN 5855-01-276-5447
NSN 5945-01-055-6661
NSN 6105-01-254-3626
NSN 6240-00-170-5302