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 6240-00-727-8573
NSN 5835-01-209-6410
NSN 5975-01-400-0627
NSN 5965-01-443-3000
NSN 5925-01-109-1869
NSN 6135-01-483-1501
NSN 5965-01-231-9125
NSN 5925-00-517-8512
NSN 4140-01-104-9279
NSN 5960-01-087-8687
NSN 6130-01-519-8730
NSN 6220-01-128-8248