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 6220-01-659-1370
NSN 5960-01-192-0268
NSN 5835-00-683-4612
NSN 6220-01-600-3592
NSN 6110-00-438-2769
NSN 5998-01-220-6447
NSN 6220-00-226-1994
NSN 6645-00-171-9251
NSN 5920-00-752-0458
NSN 5996-00-811-8120
NSN 5935-01-338-6458
NSN 4140-00-050-8456