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 4140-00-518-2429
NSN 5905-01-409-1942
NSN 6220-00-238-0433
NSN 6150-01-398-0223
NSN 6240-01-577-7170
NSN 6620-01-628-2620
NSN 5895-01-123-5542
NSN 5999-00-541-0261
NSN 6610-01-559-5073
NSN 5999-00-317-3176
NSN 6610-01-097-5073
NSN 5935-01-305-4744