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 5999-01-512-1993
NSN 5915-01-249-3113
NSN 4140-01-503-2369
NSN 5998-01-197-7838
NSN 6105-00-961-1668
NSN 5905-00-502-2027
NSN 5960-01-127-2163
NSN 5945-01-214-9257
NSN 5835-00-327-3314
NSN 6220-00-611-8036
NSN 5950-01-462-5358
NSN 5855-01-478-6583