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 6610-01-309-1930
NSN 6650-01-409-1992
NSN 5920-01-203-6952
NSN 5905-01-180-7143
NSN 5895-00-248-7477
NSN 6220-01-609-1917
NSN 5905-01-124-4210
NSN 2925-01-470-5534
NSN 5905-00-367-6164
NSN 6150-01-460-9081
NSN 6610-01-023-6073
NSN 6220-01-195-7620