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 6130-01-139-3701
NSN 4140-01-256-0910
NSN 6135-00-777-5562
NSN 6110-01-562-7545
NSN 6220-01-649-1515
NSN 6610-01-294-5666
NSN 5910-01-604-4094
NSN 5895-00-845-7898
NSN 5910-00-038-6902
NSN 6130-00-901-8670
NSN 6650-01-066-0420
NSN 6130-01-631-5777