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 5915-01-176-3612
NSN 6150-00-317-5498
NSN 5925-00-901-7293
NSN 6620-00-140-8644
NSN 5920-01-130-7636
NSN 4140-01-417-1850
NSN 6220-00-129-0820
NSN 6145-01-479-3354
NSN 6685-00-663-9000
NSN 5996-00-177-2942
NSN 5920-01-481-7398
NSN 6650-00-476-9450