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 5895-01-179-0981
NSN 5935-00-141-5933
NSN 5975-01-634-0678
NSN 5855-01-305-3292
NSN 5990-01-268-2236
NSN 5965-01-389-1068
NSN 2925-01-214-5333
NSN 5935-01-296-4689
NSN 6650-00-705-0269
NSN 5996-01-335-0584
NSN 6650-00-231-2744
NSN 5975-01-598-0761