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 6610-01-107-2658
NSN 6610-01-012-0517
NSN 7035-01-192-2659
NSN 7035-00-861-7913
NSN 6135-01-579-3534
NSN 2925-00-574-8796
NSN 5935-01-351-6159
NSN 5835-00-794-7500
NSN 5915-01-046-5185
NSN 5920-01-430-2530
NSN 5985-01-603-0657
NSN 4140-01-649-4937