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 6320-01-512-2031
NSN 6650-01-205-5313
NSN 6620-01-078-6372
NSN 6145-01-199-1430
NSN 5905-00-458-6799
NSN 5985-01-180-4099
NSN 6620-01-521-9146
NSN 5945-00-623-3157
NSN 5905-01-542-9474
NSN 5999-01-447-3153
NSN 5965-00-239-3471
NSN 5835-01-303-6563