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 6220-01-359-3993
NSN 6110-01-432-0003
NSN 5990-01-290-4787
NSN 5935-01-220-6558
NSN 5835-00-233-6327
NSN 6150-01-490-2976
NSN 5920-01-641-6324
NSN 5960-01-468-5785
NSN 5915-01-247-7630
NSN 6610-01-191-5214
NSN 6145-01-597-1186
NSN 6610-01-222-0582