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 5960-00-833-9154
NSN 5935-01-495-6124
NSN 5945-01-326-5791
NSN 6130-01-488-4822
NSN 5996-01-578-3757
NSN 5895-01-522-2485
NSN 6145-00-879-0312
NSN 5935-00-807-4541
NSN 5935-01-173-3168
NSN 5920-01-131-3999
NSN 5945-01-523-4582
NSN 6620-01-014-7192