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 5935-01-434-1623
NSN 6220-01-171-5961
NSN 6130-00-799-9383
NSN 7035-01-654-2543
NSN 5975-00-004-9431
NSN 6685-00-491-1105
NSN 4140-01-141-7692
NSN 5905-01-437-7398
NSN 5996-01-500-6644
NSN 6150-01-297-6975
NSN 5965-01-340-3723
NSN 5920-00-644-0379