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 5950-01-286-9055
NSN 5935-00-464-3397
NSN 4140-00-794-2960
NSN 6145-01-585-8439
NSN 5835-00-063-0390
NSN 5996-01-389-4067
NSN 6240-00-468-7089
NSN 6650-00-857-2260
NSN 7035-01-412-8322
NSN 6645-01-187-1790
NSN 5965-01-462-9340
NSN 5855-01-258-5161