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 6110-01-306-8520
NSN 5985-01-516-9478
NSN 6650-01-412-1490
NSN 5998-01-155-0874
NSN 5895-01-092-2547
NSN 5990-01-400-3299
NSN 5905-01-463-9108
NSN 5915-01-564-7706
NSN 2925-01-651-8683
NSN 5998-01-305-7760
NSN 6645-00-754-4108
NSN 6320-01-134-7267