A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6650-01-564-8053
NSN 5996-01-127-5431
NSN 6220-01-609-8772
NSN 5965-01-460-4172
NSN 6220-00-113-3166
NSN 5910-01-386-6385
NSN 5915-01-040-1781
NSN 5915-00-417-3834
NSN 6610-01-533-9871
NSN 4140-00-358-5312
NSN 5935-01-256-7102
NSN 5905-00-225-0416