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 5975-00-835-7753
NSN 5855-00-138-2386
NSN 6220-01-209-9972
NSN 5935-00-421-5770
NSN 5915-01-066-1980
NSN 6650-01-029-2995
NSN 5855-01-373-7538
NSN 5975-01-625-5922
NSN 5999-01-611-9091
NSN 6105-01-371-0801
NSN 5998-00-923-3369
NSN 5895-01-510-8974