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 6220-00-163-1183
NSN 6130-01-445-7133
NSN 5920-00-090-8396
NSN 6685-00-703-2503
NSN 4140-00-078-2944
NSN 5985-01-206-8045
NSN 6320-00-593-0379
NSN 5895-01-432-9012
NSN 5960-01-331-3817
NSN 5990-01-443-2931
NSN 5975-01-426-8968
NSN 5965-01-343-2543