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 5930-00-932-4928
NSN 5960-01-160-3437
NSN 5999-01-214-6802
NSN 5915-00-130-1796
NSN 5996-01-194-4498
NSN 5998-00-065-3204
NSN 6645-01-413-0515
NSN 2925-01-463-8856
NSN 5960-00-413-8129
NSN 6610-01-552-8842
NSN 6610-00-618-6192
NSN 6645-01-290-3930