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 6645-00-406-2564
NSN 5945-01-439-3331
NSN 6135-01-589-0333
NSN 5905-01-537-0892
NSN 5990-00-155-2306
NSN 7035-01-497-0882
NSN 5996-00-789-3203
NSN 6130-00-512-8692
NSN 5895-00-401-4917
NSN 5935-00-484-7657
NSN 5905-01-151-3219
NSN 6220-01-356-9188