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 5990-01-352-5255
NSN 5998-01-044-3384
NSN 5905-01-660-6580
NSN 5935-01-034-1111
NSN 6110-01-633-9660
NSN 5945-01-532-3868
NSN 5935-01-577-4070
NSN 7035-01-390-1132
NSN 5990-01-565-2226
NSN 6610-01-364-0294
NSN 5999-00-896-9563
NSN 5895-01-506-8948