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 5985-00-199-8997
NSN 6150-01-133-4012
NSN 6135-01-440-9412
NSN 5965-01-549-2754
NSN 6135-00-850-3177
NSN 5975-00-419-3256
NSN 5925-01-632-3619
NSN 6110-00-647-3932
NSN 5999-00-856-4761
NSN 6240-01-508-7830
NSN 6620-01-474-4951
NSN 6620-00-800-1285