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 4140-01-243-1658
NSN 5895-01-516-8030
NSN 6645-00-959-6502
NSN 6220-01-360-2532
NSN 5960-00-769-5103
NSN 5905-01-485-6453
NSN 5950-01-455-4888
NSN 5930-00-703-7847
NSN 5985-00-484-0882
NSN 6320-00-466-0371
NSN 5855-00-944-0949
NSN 5985-00-004-9236