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 5985-01-415-7135
NSN 5855-01-281-9700
NSN 5930-01-532-9238
NSN 6130-00-060-0570
NSN 6110-01-657-7789
NSN 6620-01-577-6285
NSN 6650-01-399-0328
NSN 5915-01-056-5141
NSN 5998-01-137-2973
NSN 5930-00-144-4994
NSN 6610-00-109-2593
NSN 5996-00-091-0254