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 6240-01-512-1856
NSN 6645-00-926-4394
NSN 5915-01-070-2460
NSN 6130-01-512-1710
NSN 6610-01-268-4191
NSN 6650-01-601-3304
NSN 5915-00-983-4998
NSN 6320-00-790-4844
NSN 5999-01-004-8270
NSN 6150-01-090-0720
NSN 4140-00-554-4050
NSN 5999-01-206-3499