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 5990-01-625-5923
NSN 5835-00-835-7838
NSN 5835-01-296-3790
NSN 5855-01-147-4785
NSN 6105-01-389-6224
NSN 5965-01-229-8721
NSN 6130-01-366-7995
NSN 5990-01-219-9018
NSN 5998-01-390-4691
NSN 6130-01-367-6563
NSN 2925-00-275-1807
NSN 5999-01-609-9598