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 6135-01-054-2462
NSN 5990-00-446-0518
NSN 6150-01-549-8012
NSN 6220-00-476-9649
NSN 5998-01-445-6849
NSN 5965-01-534-4744
NSN 5960-01-439-9517
NSN 6220-00-146-3226
NSN 5920-01-040-3383
NSN 5990-01-303-6110
NSN 5950-01-429-2491
NSN 6150-01-335-7565