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 5960-01-260-0770
NSN 5990-01-364-0813
NSN 6135-00-944-6953
NSN 5985-01-407-4528
NSN 6620-00-435-1448
NSN 6135-01-625-0765
NSN 6645-00-494-3065
NSN 6610-00-202-5481
NSN 5895-01-471-1387
NSN 5945-00-176-4750
NSN 6610-01-572-6625
NSN 4140-01-294-6491