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 5990-00-916-9163
NSN 6105-01-657-7307
NSN 6145-01-652-8597
NSN 6645-01-475-4723
NSN 4140-01-188-0111
NSN 6620-01-432-7032
NSN 5960-01-094-7569
NSN 6620-00-782-0337
NSN 5930-01-559-6079
NSN 6620-01-633-8443
NSN 5920-01-206-3977
NSN 5835-01-241-1090