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 5925-01-538-2336
NSN 4140-00-608-5654
NSN 6320-01-643-0850
NSN 5996-00-838-0687
NSN 5999-01-222-6666
NSN 5920-01-338-3489
NSN 5915-01-087-5553
NSN 5915-00-513-4285
NSN 2925-01-612-0405
NSN 6610-01-022-8669
NSN 5855-00-991-0096
NSN 5975-01-370-9156