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 5960-01-407-1350
NSN 4140-01-411-3710
NSN 6320-00-701-0437
NSN 5920-00-945-1632
NSN 5999-00-964-4893
NSN 6240-00-312-0636
NSN 6220-00-485-1428
NSN 6620-01-252-1240
NSN 5960-01-641-5493
NSN 6610-00-782-0761
NSN 5855-01-112-7725
NSN 6135-00-603-4859