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 6650-00-473-1259
NSN 6110-01-197-7917
NSN 6610-01-037-1872
NSN 5835-01-616-6131
NSN 6135-01-579-3534
NSN 5950-00-049-8983
NSN 6620-01-227-9640
NSN 5925-00-981-9006
NSN 5905-00-341-6516
NSN 6150-01-497-8301
NSN 5998-00-146-2281
NSN 5985-00-600-5323