A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5950-00-406-0510
NSN 5905-01-510-9397
NSN 5990-01-256-8441
NSN 5930-01-279-5264
NSN 5998-00-195-7657
NSN 5945-00-925-4505
NSN 5950-01-170-4405
NSN 5999-01-513-9944
NSN 5930-00-797-7838
NSN 6145-00-908-9145
NSN 6620-01-477-3720
NSN 5996-01-254-9601