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 6220-01-110-9708
NSN 6220-01-240-1108
NSN 7035-00-782-7046
NSN 5990-01-425-2175
NSN 6650-00-555-1061
NSN 6240-01-371-8637
NSN 5985-01-048-4451
NSN 5965-01-005-0341
NSN 5975-00-171-1344
NSN 6685-00-165-5893
NSN 6130-01-621-7710
NSN 2925-01-171-6106