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 5990-00-510-2098
NSN 6135-01-648-4875
NSN 4140-00-627-2556
NSN 6135-00-557-8874
NSN 5855-01-029-8733
NSN 6240-00-215-8550
NSN 6110-01-127-0952
NSN 6650-01-575-1044
NSN 5835-01-310-3846
NSN 4140-01-171-0785
NSN 6130-01-322-1256
NSN 5925-01-158-9799