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 6135-01-388-2761
NSN 6610-01-586-4255
NSN 5996-00-304-8196
NSN 6240-01-422-9715
NSN 6610-01-425-1523
NSN 5930-00-082-1655
NSN 6685-00-592-4713
NSN 5996-01-383-7298
NSN 6240-00-292-3237
NSN 6110-01-359-9376
NSN 6650-00-518-5194
NSN 4140-01-487-4394