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 6610-01-537-0816
NSN 6650-01-465-3309
NSN 6145-01-509-9838
NSN 5960-01-257-0225
NSN 5965-01-109-2917
NSN 5965-01-182-5768
NSN 6645-00-102-0015
NSN 5998-01-441-9652
NSN 6650-00-466-1697
NSN 5915-00-777-4296
NSN 5910-01-551-2090
NSN 5905-01-422-0127