A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Nuts of iron or steel
NSN 6650-00-913-1854
NSN 5998-01-004-1827
NSN 5998-00-824-2853
NSN 5975-01-139-5135
NSN 5835-00-891-2784
NSN 5910-00-554-9333
NSN 5920-01-634-0250
NSN 5975-01-054-1834
NSN 6645-00-690-0423
NSN 5999-01-506-5737
NSN 5905-00-097-7477
NSN 6645-01-605-4351