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 4140-01-381-3221
NSN 6130-01-182-9605
NSN 7035-01-247-4399
NSN 5998-00-310-9849
NSN 5960-00-297-7099
NSN 6105-00-643-4975
NSN 5855-01-541-8659
NSN 2925-01-510-9378
NSN 5998-01-444-2883
NSN 6650-01-013-0667
NSN 6145-01-485-7579
NSN 6610-01-147-9072