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 5835-01-509-8992
NSN 5945-00-057-0668
NSN 5985-01-269-5925
NSN 6135-01-205-5965
NSN 5925-01-611-1151
NSN 5905-01-238-9645
NSN 6130-00-234-9367
NSN 6240-00-155-7836
NSN 6645-01-481-4418
NSN 6610-01-127-0724
NSN 5950-01-206-4800
NSN 5935-01-437-8005