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 6240-01-569-6904
NSN 4140-01-152-9161
NSN 6320-01-443-3826
NSN 5925-00-064-2188
NSN 6105-01-321-5920
NSN 5905-01-443-4791
NSN 6220-01-360-9659
NSN 6620-01-644-8388
NSN 6685-01-123-9275
NSN 6685-00-338-7439
NSN 5905-01-435-4194
NSN 5855-00-832-7316