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 5935-01-224-6228
NSN 6645-01-357-7750
NSN 5975-00-222-4109
NSN 6110-01-522-0703
NSN 6130-00-884-4494
NSN 4140-00-835-7073
NSN 6610-01-227-7221
NSN 6620-01-367-2597
NSN 6645-01-228-9645
NSN 5925-01-426-6923
NSN 5920-01-531-6891
NSN 5975-01-484-4768