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 5855-01-657-7657
NSN 5985-00-175-8209
NSN 5855-00-167-7893
NSN 5975-01-634-0678
NSN 6240-01-243-6884
NSN 5935-01-412-1456
NSN 5895-01-403-2793
NSN 5905-00-583-4163
NSN 6130-00-454-8342
NSN 5905-00-577-7752
NSN 5835-01-259-0859
NSN 6130-01-360-5637