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 5895-00-539-8322
NSN 6150-01-317-6847
NSN 5990-00-399-9241
NSN 6145-00-205-4046
NSN 6620-01-412-0938
NSN 5905-01-348-8919
NSN 5965-01-633-8849
NSN 6135-01-512-8740
NSN 5950-00-513-9596
NSN 6320-00-925-0558
NSN 5999-00-900-3342
NSN 5990-01-582-5238