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 5996-01-036-5639
NSN 5990-01-379-8794
NSN 6135-01-633-8502
NSN 5935-01-411-6102
NSN 5930-01-533-1521
NSN 4140-01-412-0794
NSN 6320-00-270-8222
NSN 5975-00-964-7332
NSN 5960-01-276-7836
NSN 6620-01-458-8074
NSN 6240-01-561-7213
NSN 6110-01-535-5115