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 5985-01-371-3067
NSN 6240-01-368-0342
NSN 6145-00-423-1563
NSN 6145-01-658-8048
NSN 5999-01-341-1254
NSN 5905-01-512-2665
NSN 6610-00-732-2488
NSN 5910-01-141-7666
NSN 5855-01-062-3126
NSN 5998-01-028-2639
NSN 5915-01-378-7039
NSN 6685-01-647-8009