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 6110-00-443-4776
NSN 5990-00-400-4794
NSN 5910-00-740-7286
NSN 4140-01-581-0843
NSN 6610-00-126-7425
NSN 5935-01-139-4744
NSN 6220-01-507-8210
NSN 6320-01-350-5570
NSN 7035-01-577-0003
NSN 4140-00-100-4563
NSN 5965-01-627-0848
NSN 5998-01-302-4015