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 5999-01-489-6139
NSN 6105-01-615-3114
NSN 5915-01-167-9072
NSN 5925-01-168-7812
NSN 5960-01-464-9605
NSN 6150-00-812-7928
NSN 7035-00-054-1057
NSN 6645-01-503-2240
NSN 5920-01-114-3507
NSN 5895-01-580-0422
NSN 5915-00-520-5763
NSN 5945-00-907-1351