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 6620-00-583-2687
NSN 5985-01-069-5855
NSN 4140-00-574-1869
NSN 6610-01-218-6246
NSN 5965-00-862-3295
NSN 2925-01-543-0073
NSN 6130-01-441-2241
NSN 5930-01-431-8709
NSN 5965-00-871-8987
NSN 6105-01-217-1535
NSN 6620-01-268-9693
NSN 5999-00-342-9123