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 6645-00-775-2172
NSN 6650-01-516-3631
NSN 5998-01-608-8346
NSN 6150-01-573-1842
NSN 6150-01-143-2154
NSN 6145-01-141-7250
NSN 5905-00-597-6081
NSN 5960-01-471-8201
NSN 5835-01-501-0526
NSN 5855-00-991-0096
NSN 5996-01-534-7687
NSN 6685-01-495-0350