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 5920-00-401-0217
NSN 4140-01-306-2268
NSN 5998-00-726-5364
NSN 5835-01-336-1153
NSN 6610-00-222-1393
NSN 4140-01-561-5099
NSN 5985-01-174-3012
NSN 5835-01-652-4959
NSN 5835-01-201-1000
NSN 5910-01-145-5166
NSN 5990-01-507-7495
NSN 5996-00-726-0507