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 5960-01-573-6483
NSN 5975-01-429-1232
NSN 4140-01-302-6824
NSN 5905-01-581-9596
NSN 4140-00-481-3858
NSN 5998-01-365-5420
NSN 5990-01-107-8682
NSN 5998-00-538-9643
NSN 5990-01-599-4721
NSN 6650-00-839-2527
NSN 5835-00-050-4330
NSN 5835-00-941-4959