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 6650-01-386-5787
NSN 6645-00-634-9317
NSN 6645-00-413-0461
NSN 5945-00-244-7965
NSN 6150-00-036-0305
NSN 4140-00-478-6199
NSN 5990-01-633-9503
NSN 5935-00-929-0548
NSN 5835-01-442-6482
NSN 4140-01-033-1238
NSN 5920-01-562-6681
NSN 5945-01-490-3391