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 6650-00-629-8027
NSN 6135-00-134-6648
NSN 5935-01-426-2049
NSN 6645-00-250-4680
NSN 5945-01-535-7037
NSN 7035-01-661-1746
NSN 7035-00-155-9513
NSN 5835-00-870-7034
NSN 6150-00-539-9812
NSN 6130-00-280-3696
NSN 6220-01-050-8122
NSN 6685-01-276-4840