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.
Classification: Nuts of iron or steel
NSN 5925-01-105-9651
NSN 5895-00-019-7509
NSN 6240-01-391-5373
NSN 6220-01-235-3892
NSN 5895-01-491-0418
NSN 5996-01-400-0917
NSN 2925-01-583-0691
NSN 6320-00-456-0836
NSN 5999-00-394-1260
NSN 6620-00-135-0895
NSN 6650-00-299-9681
NSN 5998-01-646-8468