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 4140-01-340-2579
NSN 6240-01-158-4266
NSN 5835-01-163-4215
NSN 5920-01-535-6498
NSN 5920-00-133-5400
NSN 6320-01-429-9871
NSN 6130-00-018-5719
NSN 5930-00-452-5258
NSN 5910-01-581-1270
NSN 5985-00-891-9652
NSN 5835-00-373-2671
NSN 6220-01-147-5320