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 5930-01-431-5776
NSN 5920-01-378-8521
NSN 6145-01-024-5572
NSN 5895-00-270-6595
NSN 5998-01-289-9007
NSN 5855-00-918-1622
NSN 6645-00-862-2904
NSN 6145-01-314-4006
NSN 6240-00-107-8192
NSN 6145-01-360-5863
NSN 6620-01-583-2779
NSN 4140-00-104-7323