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 5965-01-458-5299
NSN 5990-01-356-4259
NSN 6145-01-124-0035
NSN 5920-01-552-3555
NSN 6135-00-269-5843
NSN 5915-01-487-7703
NSN 5930-01-217-3561
NSN 5855-00-918-1622
NSN 5945-00-119-6174
NSN 5935-01-046-0821
NSN 5895-01-369-3761
NSN 5960-00-082-0493