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 5945-01-131-1759
NSN 5960-01-604-1158
NSN 5925-01-132-9120
NSN 6135-01-523-0370
NSN 5965-01-007-1963
NSN 6610-01-221-2606
NSN 6110-01-108-6732
NSN 5895-01-283-6058
NSN 5855-01-149-4110
NSN 5996-01-302-5000
NSN 6240-01-119-5199
NSN 6130-01-091-0959