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 5905-01-474-5173
NSN 5965-01-315-5764
NSN 5935-01-619-7042
NSN 5935-00-858-0188
NSN
NSN 5925-00-636-5683
NSN 6130-00-115-9306
NSN 7035-01-351-4111
NSN 7035-01-524-8969
NSN 6105-01-151-8071
NSN 5996-00-084-1790
NSN 5895-01-455-3483