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 6610-01-010-3159
NSN 5990-01-443-2931
NSN 5985-00-974-7231
NSN 6135-01-400-2947
NSN 5855-00-323-0967
NSN 6145-01-599-5050
NSN 5855-01-205-7030
NSN 6320-01-227-2648
NSN 5855-01-381-6052
NSN 5965-01-386-2988
NSN 5920-00-180-4278
NSN 5975-01-165-5026