Dyed brown
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 6145-01-294-2303
NSN 5999-01-633-0365
NSN 7035-00-238-3662
NSN 5930-01-446-1543
NSN 4140-01-649-0939
NSN 5950-00-998-9212
NSN 5915-00-488-7437
NSN 6110-01-177-3189
NSN 5945-01-467-3737
NSN 5960-01-449-1310
NSN 5945-00-005-4423
NSN 5855-00-079-2370