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 5915-01-112-9001
NSN 5835-01-589-4735
NSN 6220-01-420-1856
NSN 5965-01-104-5102
NSN 4140-00-893-2754
NSN 6150-01-384-3112
NSN 6150-01-478-5108
NSN 5905-01-443-8835
NSN 6240-00-567-4107
NSN 4140-00-106-2659
NSN 2925-01-394-5650
NSN 6135-01-142-2417