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 6110-00-548-3970
NSN 7035-00-295-0451
NSN 2925-01-446-6523
NSN 5960-01-450-4693
NSN 5935-00-765-3299
NSN 6135-00-819-8074
NSN 6240-01-334-6106
NSN 5990-01-364-0813
NSN 5965-00-985-4152
NSN 6645-01-349-6632
NSN 6650-01-157-8806
NSN 6150-01-584-6973