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 5990-01-147-5225
NSN 6685-01-310-7942
NSN 6150-00-727-8380
NSN 6620-01-328-4769
NSN 6320-00-116-3658
NSN 6110-01-351-7307
NSN 5935-01-518-8205
NSN 5990-01-040-1320
NSN 4140-01-562-3999
NSN 5960-00-508-1913
NSN 6145-00-326-5556
NSN 5998-00-175-0833