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 5905-00-700-0776
NSN 5915-01-315-2029
NSN 6130-00-025-1799
NSN 5930-01-191-4073
NSN 6110-00-546-5145
NSN 5996-01-383-4029
NSN 5935-01-125-6868
NSN 6620-00-606-0446
NSN 5935-00-932-3329
NSN 5835-01-261-9878
NSN 6105-00-064-9846
NSN 5999-01-414-1799