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 6105-00-635-9809
NSN 5996-01-123-1672
NSN 6135-01-041-3829
NSN 5965-01-272-4199
NSN 6145-01-280-9452
NSN 6610-00-113-9176
NSN 6145-01-462-4399
NSN 6240-00-469-5100
NSN 6135-01-277-7397
NSN 6610-01-517-1901
NSN 6145-01-501-6174
NSN 6105-00-456-1433