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 5960-01-181-2143
NSN 5985-00-542-0597
NSN 5960-00-222-6174
NSN 5998-01-171-7860
NSN 2925-01-180-7793
NSN 6320-01-611-4918
NSN 5920-01-157-2767
NSN 5985-01-617-7996
NSN 5990-01-416-1017
NSN 5985-01-589-6029
NSN 5910-01-624-5690
NSN 5965-01-064-2107