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 7035-01-628-9757
NSN 5925-00-825-6068
NSN 6110-01-261-0620
NSN 5915-01-529-9418
NSN 5950-00-157-3785
NSN 6685-00-441-1362
NSN 6130-01-380-1280
NSN 4140-01-240-8667
NSN 4140-01-443-0899
NSN 6240-01-583-8486
NSN 5920-01-268-2188
NSN 6610-01-627-0642