Dyed orange
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 6130-01-323-3978
NSN 5910-01-492-6028
NSN 5998-01-072-3673
NSN 5935-00-536-1809
NSN 5915-01-421-3790
NSN 6145-00-372-3713
NSN 5990-01-633-9503
NSN 6650-00-945-3098
NSN 6685-01-475-3453
NSN 5950-01-184-6556
NSN 6650-00-575-7487
NSN 6650-01-452-5379