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 6130-01-087-7321
NSN 5925-00-905-5135
NSN 6320-01-215-1133
NSN 5950-00-171-2894
NSN 6110-01-428-7317
NSN 6130-01-652-8477
NSN 6645-01-500-0827
NSN 5910-01-206-1622
NSN 5915-01-508-5636
NSN 5910-00-258-8383
NSN 6130-01-124-2630
NSN 5905-01-497-5313