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 5960-01-397-1443
NSN 4140-00-733-7936
NSN 6620-01-061-0599
NSN 6135-00-152-8729
NSN 5935-00-734-8560
NSN 5996-01-487-6811
NSN 5855-00-631-4565
NSN 5960-00-420-0418
NSN 6650-00-187-5388
NSN 5998-01-408-4676
NSN 6130-00-972-9113
NSN 4140-00-419-0631