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 5985-01-564-0491
NSN 5920-00-904-9156
NSN 5935-00-578-2715
NSN 4140-00-350-5446
NSN 2925-00-110-4217
NSN 6645-01-141-7016
NSN 5925-01-634-0664
NSN 5975-00-759-4860
NSN 5895-01-106-6142
NSN 5915-00-583-4970
NSN 5950-01-207-6289
NSN 5975-01-359-2679