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 6620-00-460-1774
NSN 5999-01-339-5359
NSN 6620-00-957-9325
NSN 6610-01-300-1629
NSN 2925-00-909-2596
NSN 7035-01-361-8821
NSN 6620-01-443-3526
NSN 6240-01-269-0375
NSN 6650-01-385-1979
NSN 6135-01-196-2135
NSN 6220-01-216-3407
NSN 5925-01-463-9258