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 6610-00-390-8471
NSN 5920-01-117-6258
NSN 5920-01-318-8010
NSN 6220-01-298-9242
NSN 5910-01-660-9223
NSN 6145-01-180-5345
NSN 6240-00-494-0927
NSN 2925-01-320-0965
NSN 4140-00-555-3856
NSN 5910-01-018-4770
NSN 5895-00-132-3575
NSN 6645-00-809-9833