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 5999-01-043-7905
NSN 5895-01-398-8580
NSN 5905-01-410-7780
NSN 5910-00-471-2221
NSN 6220-01-044-5552
NSN 6150-01-435-5176
NSN 4140-01-504-9512
NSN 5935-01-330-7993
NSN 6130-01-478-3712
NSN 5950-01-513-9108
NSN 2925-01-231-6312
NSN 5999-00-909-7742