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 5895-01-543-6077
NSN 5935-00-229-1671
NSN 6620-00-810-6774
NSN 5920-00-006-1919
NSN 6240-00-865-3257
NSN 6685-01-023-1272
NSN 5930-00-834-1535
NSN 6105-00-339-2230
NSN 5835-00-411-0591
NSN 5990-01-060-3687
NSN 2925-01-014-0118
NSN 5960-01-331-3817