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 6320-00-857-4073
NSN 6650-01-378-7875
NSN 6685-00-358-1299
NSN 5975-01-590-6706
NSN 6685-00-964-7774
NSN 5855-00-631-4565
NSN 6220-00-423-6878
NSN 4140-00-293-7847
NSN 5960-00-283-9702
NSN 5990-00-576-4882
NSN 6650-01-457-0980
NSN 5960-01-484-2042