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 5975-00-134-5688
NSN 5998-01-341-8881
NSN 5950-01-454-8689
NSN 6110-01-360-6808
NSN 5996-01-467-9391
NSN 6150-01-323-5886
NSN 4140-01-208-8964
NSN 5996-01-608-9099
NSN 5915-01-223-2731
NSN 6145-00-099-8986
NSN 5910-01-584-7382
NSN 5910-01-469-5989