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 4140-01-634-0330
NSN 5925-01-024-3807
NSN 5905-00-221-4483
NSN 5985-00-250-7138
NSN 6110-00-033-5444
NSN 5950-01-432-2038
NSN 6650-01-141-5999
NSN 6685-00-225-7064
NSN 6320-01-564-0893
NSN 5905-01-196-7115
NSN 6150-00-069-5099
NSN 5925-01-608-0530