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 5990-01-050-7535
NSN 5960-00-111-4305
NSN 5920-00-433-1854
NSN 6320-01-436-9228
NSN 5925-01-545-1005
NSN 5910-01-519-8236
NSN 6650-01-047-5148
NSN 5999-01-397-4004
NSN 5998-01-362-9491
NSN 6145-00-251-0357
NSN 5996-01-290-0988
NSN 6240-00-995-9975