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 5935-01-645-0329
NSN 5985-00-514-3882
NSN 5990-00-146-3534
NSN 5960-01-548-4896
NSN 6650-01-225-4346
NSN 6110-00-496-0532
NSN 5895-01-188-1414
NSN 6220-01-510-4665
NSN 5985-00-415-9664
NSN 6650-01-440-0767
NSN 7035-01-580-2652
NSN 6105-01-167-7944