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 6320-00-004-9158
NSN 6645-01-103-6586
NSN 5990-00-269-2226
NSN 6110-00-758-9194
NSN 4140-01-337-3966
NSN 5975-00-156-5737
NSN 5975-01-417-9229
NSN 6145-01-535-6896
NSN 5925-01-556-2471
NSN 5965-01-367-2275
NSN 5915-00-956-6890
NSN 5985-01-028-8295