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 6645-01-188-5237
NSN 5835-01-524-4731
NSN 6130-00-598-2034
NSN 5996-00-932-3796
NSN 6110-00-816-9715
NSN 6150-01-062-0853
NSN 5910-01-072-5758
NSN 4140-01-563-1621
NSN 6220-01-396-4409
NSN 5965-00-318-6479
NSN 5999-00-489-2878
NSN 6650-01-204-7841