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 6650-01-645-2850
NSN 6150-01-563-9742
NSN 6610-01-431-8575
NSN 6610-00-133-4508
NSN 6650-01-477-9545
NSN 5985-00-624-6099
NSN 5910-00-067-4415
NSN 6105-01-253-9517
NSN 6610-01-109-3359
NSN 6645-01-192-3031
NSN 5855-00-189-6066
NSN 6130-00-051-3187