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 5998-01-502-9307
NSN 6105-01-215-6587
NSN 5975-01-134-8439
NSN 5920-01-421-5362
NSN 6650-01-323-5407
NSN 6145-01-415-8751
NSN 5960-01-114-0197
NSN 6135-00-242-9531
NSN 6150-00-899-5690
NSN 5960-00-351-4821
NSN 6110-01-467-5988
NSN 2925-01-340-5504