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 5975-01-460-2121
NSN 5990-00-177-2924
NSN 5835-01-066-5337
NSN 6610-01-371-3006
NSN 6220-01-317-3283
NSN 6105-01-194-6608
NSN 7035-01-538-1210
NSN 6130-00-758-7435
NSN 5920-00-100-7219
NSN 6620-01-203-4369
NSN 5975-00-485-3150
NSN 6220-01-228-1245