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 6610-00-186-9180
NSN 5910-01-612-7198
NSN 2925-01-224-1885
NSN 5996-01-552-7108
NSN 6110-00-727-9175
NSN 5930-00-079-0171
NSN 5935-00-325-9280
NSN 5999-01-520-3896
NSN 6645-00-445-3318
NSN 6130-01-464-9558
NSN 5965-01-100-4645
NSN 5945-00-469-2971