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 5999-01-368-3806
NSN 5990-01-449-7090
NSN 5965-01-252-3987
NSN 5990-01-276-3686
NSN 6650-00-190-5158
NSN 5905-00-905-5813
NSN 5998-01-227-5822
NSN 6320-01-512-2031
NSN 2925-00-999-8967
NSN 5950-01-361-2196
NSN 5975-01-579-3980
NSN 5960-00-104-5955