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 4140-00-144-6833
NSN 5960-01-344-2604
NSN 6135-01-453-5069
NSN 5999-01-348-3900
NSN 5835-01-519-2916
NSN 5990-01-426-7350
NSN 2925-01-317-6973
NSN 5996-00-168-7651
NSN 6645-01-196-6277
NSN 6320-00-681-1324
NSN 6145-01-452-8545
NSN 6150-01-328-6206