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 5835-01-424-0054
NSN 2925-01-633-4048
NSN 6240-01-023-7720
NSN 5975-00-269-4365
NSN 6610-00-276-8919
NSN 5998-00-156-1094
NSN 5835-01-502-9228
NSN 5945-01-498-0790
NSN 5945-01-273-7318
NSN 6220-01-234-3225
NSN 5915-01-502-6623
NSN 6130-00-082-1262