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 4140-00-563-7648
NSN 5910-01-525-7733
NSN 5999-01-053-5135
NSN 5950-01-617-8230
NSN 5960-01-215-0992
NSN 6650-01-365-7661
NSN 5998-01-527-6087
NSN 6220-00-014-7745
NSN 4140-01-542-8516
NSN 5950-01-344-9619
NSN 5985-00-132-4214
NSN 5920-01-320-3953