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 5910-01-232-0497
NSN 6620-01-378-5579
NSN 6220-01-327-2817
NSN 5998-00-843-1125
NSN 6610-01-028-7651
NSN 6620-01-483-1138
NSN 6220-00-967-0062
NSN 6135-01-642-0733
NSN 6650-01-459-8703
NSN 6145-00-295-2887
NSN 6240-00-560-5426
NSN 4140-01-417-7070