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 6645-01-367-2581
NSN 6145-00-132-4800
NSN 5935-00-902-3668
NSN 5960-00-848-1900
NSN 4140-01-234-6610
NSN 6650-01-381-3542
NSN 6145-01-282-9994
NSN 5925-00-368-1291
NSN 5965-01-176-1556
NSN 6135-01-619-6293
NSN 5855-01-372-4433
NSN 6130-01-369-7717