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 4140-01-634-0330
NSN 6135-01-566-1034
NSN 6145-01-063-8058
NSN 5945-00-621-6387
NSN 5996-01-090-8429
NSN 6645-00-752-2939
NSN 5990-00-163-4173
NSN 5835-01-376-8454
NSN 5855-01-589-3816
NSN 5910-00-034-6609
NSN 5920-00-593-6496
NSN 6610-01-647-7412