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 5950-01-618-7451
NSN 6620-00-106-9658
NSN 6105-01-444-1201
NSN 6220-00-454-1132
NSN 5999-00-686-9302
NSN 5935-01-431-0917
NSN 6110-01-242-6691
NSN 5996-01-295-7854
NSN 7035-00-465-3298
NSN 6650-00-758-7485
NSN 5960-01-513-3230
NSN 6685-01-617-8515