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 5999-00-260-0471
NSN 5910-01-198-1828
NSN 5975-01-437-8869
NSN 5925-01-187-0695
NSN 5998-01-025-4118
NSN 6650-00-987-5070
NSN 5960-01-354-0762
NSN 5945-01-431-8124
NSN 5930-01-085-5563
NSN 5910-01-144-6891
NSN 5915-01-354-0294
NSN 5920-01-401-5315