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 7035-01-337-1729
NSN 5990-01-546-1649
NSN 6645-01-656-6416
NSN 5910-01-380-7341
NSN 4140-00-230-4252
NSN 5998-01-455-3874
NSN 5990-01-462-1617
NSN 5910-00-100-1496
NSN 6650-00-494-1000
NSN 6130-01-581-0965
NSN 5945-00-741-8416
NSN 6135-01-592-4139