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 5950-01-171-2426
NSN 6110-01-370-4234
NSN 6135-01-413-4747
NSN 6105-01-020-2946
NSN 6320-01-618-7800
NSN 5920-01-444-2454
NSN 5935-00-651-5623
NSN 4140-01-034-9806
NSN 5855-00-079-2370
NSN 5935-00-388-5345
NSN 6135-01-380-4396
NSN 5996-01-315-3627