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 4140-00-483-1932
NSN 5985-01-023-3161
NSN 5985-01-459-8010
NSN 5999-01-386-5327
NSN 5905-01-613-7695
NSN 6320-00-450-1787
NSN 6645-01-206-4888
NSN 5990-00-170-4239
NSN 6320-01-513-9166
NSN 5996-00-132-1360
NSN 5996-00-358-6257
NSN 6220-01-264-3485