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 6610-01-543-2716
NSN 6620-01-391-8591
NSN 6620-01-014-6913
NSN 2925-01-014-8007
NSN 5999-00-381-7060
NSN 5935-01-518-5690
NSN 5945-00-275-0557
NSN 5998-01-131-7386
NSN 5975-01-511-3540
NSN 5975-00-878-2279
NSN 5855-00-879-7245
NSN 5910-01-334-1548