Dyed orange
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 6620-00-977-3779
NSN 6610-00-371-5953
NSN 6240-01-558-8446
NSN 6240-00-863-6105
NSN 6320-00-405-2348
NSN 2925-01-359-4027
NSN 5998-00-182-1421
NSN 5996-01-432-2779
NSN 5920-01-656-9934
NSN 6645-01-564-7129
NSN 6240-01-234-1594
NSN 5960-01-395-9834