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 4140-01-634-0330
NSN 5855-00-149-0766
NSN 6645-01-351-1154
NSN 5960-00-581-5821
NSN 6685-00-902-6773
NSN 6135-01-186-4010
NSN 5925-00-682-4096
NSN 5985-01-462-3644
NSN 5905-01-419-5432
NSN 4140-00-356-1639
NSN 6240-01-611-1076
NSN 6645-01-228-2127