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 5990-00-097-7642
NSN 6685-01-640-8600
NSN 5915-01-392-2189
NSN 5998-00-491-0452
NSN 5999-00-143-1818
NSN 6150-01-564-5694
NSN 5925-01-312-4690
NSN 5960-01-209-6917
NSN 5930-01-502-5222
NSN 5920-00-168-8084
NSN 5990-00-762-8059
NSN 2925-00-005-1618