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 5950-01-468-5431
NSN 6220-01-378-7467
NSN 6685-00-583-2473
NSN 6135-00-660-8654
NSN 5998-01-255-5391
NSN 5905-01-100-1146
NSN 5905-01-344-0119
NSN 6220-01-091-9103
NSN 5960-00-518-4704
NSN 6685-01-612-0511
NSN 6220-01-012-2191
NSN 5996-00-905-3971