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 5975-01-634-0678
NSN 5985-01-143-8936
NSN 5935-00-753-7895
NSN 5985-01-649-1447
NSN 6105-00-066-4529
NSN 6145-00-871-9112
NSN 6610-00-913-7069
NSN 6110-01-406-0674
NSN 6135-00-519-1325
NSN 4140-00-226-9807
NSN 5915-01-535-6472
NSN 5996-00-202-6576