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 4140-01-225-1412
NSN 6610-01-108-8914
NSN 5990-01-272-4091
NSN 6105-01-109-1876
NSN 5985-01-124-0980
NSN 5855-00-149-0766
NSN 6110-01-383-7195
NSN 6645-00-140-5173
NSN 5935-01-318-9351
NSN 6105-01-330-4601
NSN 2925-00-333-4702
NSN 5910-01-656-4827