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 5915-00-321-1662
NSN 5905-01-369-0142
NSN 5905-01-324-4077
NSN 6110-01-063-7423
NSN 6645-00-806-6961
NSN 6130-01-010-6892
NSN 5965-01-317-5020
NSN 4140-00-758-6732
NSN 6240-01-472-5577
NSN 6220-01-408-5103
NSN 6610-00-147-3187
NSN 5835-01-169-5330