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 5920-01-475-4897
NSN 2925-00-734-0516
NSN 5920-01-369-6385
NSN 5985-00-612-7887
NSN 6610-00-877-5905
NSN 6135-01-581-1039
NSN 6105-01-631-5039
NSN 5999-01-125-9354
NSN 6650-00-551-7708
NSN 5985-01-575-8305
NSN 6150-00-477-5294
NSN 2925-01-372-9455