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 6650-01-181-6037
NSN 5996-01-388-1275
NSN 5975-01-309-8486
NSN 5915-00-466-2840
NSN 5835-01-200-7153
NSN 6135-00-921-6487
NSN 6320-00-228-5678
NSN 4140-01-346-2965
NSN 5999-01-327-9285
NSN 5930-00-133-3016
NSN 4140-01-374-4673
NSN 6105-00-925-2226