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 6650-01-201-1081
NSN 6150-00-166-5777
NSN 6320-01-631-7828
NSN 6150-01-291-3145
NSN 5985-01-613-7295
NSN 5985-00-957-7188
NSN 6685-00-549-6438
NSN 5960-00-074-8968
NSN 6135-01-351-2690
NSN 5975-01-582-1682
NSN 5960-00-145-5378
NSN 5920-01-659-1708