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 6610-01-141-9979
NSN 5930-00-959-3027
NSN 6685-00-909-9768
NSN 5996-01-275-7064
NSN 6150-01-501-8728
NSN 6220-01-462-0236
NSN 5835-01-250-9940
NSN 5915-01-531-5920
NSN 6110-00-232-5406
NSN 5960-00-923-5047
NSN 5935-00-548-3288
NSN 6105-00-167-4231