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 6320-01-600-5808
NSN 7035-01-215-2449
NSN 2925-00-081-3547
NSN 6105-01-500-0891
NSN 5945-01-494-7908
NSN 5996-01-014-1703
NSN 6620-00-186-8220
NSN 6110-01-582-7169
NSN 7035-00-392-5417
NSN 6320-00-218-6105
NSN 5965-01-367-6483
NSN 5930-01-468-5245