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 6645-01-030-8930
NSN 5985-01-584-3619
NSN 6105-01-600-3652
NSN 6130-01-341-3869
NSN 6105-01-260-0177
NSN 2925-00-964-7128
NSN 5960-01-294-2397
NSN 6685-00-598-1944
NSN 6685-01-176-4594
NSN 5920-01-346-4777
NSN 6110-01-272-4742
NSN 5835-01-317-4840