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 6240-01-461-3733
NSN 4140-01-150-9209
NSN 6240-00-280-8502
NSN 6220-00-884-7551
NSN 5985-00-161-0619
NSN 5835-01-214-5402
NSN 6105-00-400-5223
NSN 2925-00-963-0943
NSN 5965-00-258-6809
NSN 5920-01-351-9822
NSN 5960-01-318-6557
NSN 5835-01-495-0595