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 5965-00-984-1393
NSN 6650-01-398-1884
NSN 6320-00-225-7013
NSN 6220-01-397-5678
NSN 6320-01-592-6248
NSN 5855-01-258-5161
NSN 6130-01-490-2095
NSN 5998-01-145-6932
NSN 6105-00-051-1362
NSN 6220-01-418-1649
NSN 5990-00-568-4940
NSN 2925-01-147-6688