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 5965-00-246-5612
NSN 5855-01-613-5242
NSN 5920-01-141-1741
NSN 6220-01-537-8179
NSN 6110-01-068-0301
NSN 6135-01-430-3119
NSN 6240-00-204-9355
NSN 5905-01-246-5076
NSN 6610-00-597-3095
NSN 5855-01-318-5175
NSN 6150-00-256-7957
NSN 6130-01-432-0484