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 5905-01-555-4040
NSN 5915-01-245-3402
NSN 5920-01-518-9636
NSN 6135-01-351-2690
NSN 5990-01-548-5979
NSN 7035-01-623-0334
NSN 6145-01-183-4137
NSN 5835-01-158-6878
NSN 5960-00-959-5226
NSN 5950-01-456-7300
NSN 6240-01-422-1878
NSN 5920-01-357-9384