A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
NSN 5996-00-123-4826
NSN 5996-00-833-2521
NSN 5925-00-482-2102
NSN 5935-00-146-4224
NSN 6110-01-589-0441
NSN 5935-01-418-9791
NSN 5835-01-063-6284
NSN 5915-00-880-0689
NSN 6145-01-026-2340
NSN 5960-01-389-4055
NSN 6105-01-024-0321
NSN 5920-01-359-8720