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 5990-01-124-4291
NSN 5999-00-515-7354
NSN 7035-01-514-4617
NSN 6150-01-112-0540
NSN 5855-01-491-6967
NSN 5975-01-303-6772
NSN 5855-01-395-0676
NSN 5996-01-151-2452
NSN 6135-00-871-3646
NSN 6150-00-290-8125
NSN 6220-01-550-2373
NSN 6650-00-962-3568