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 6620-01-331-6075
NSN 5855-01-645-4172
NSN 5855-00-174-3482
NSN 5960-01-248-2364
NSN 5945-00-776-8521
NSN 5999-01-577-7689
NSN 6240-00-008-5263
NSN 5915-01-446-6876
NSN 4140-01-472-2768
NSN 6610-00-594-6372
NSN 5990-00-827-6212
NSN 6135-01-498-2233