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 6320-01-449-1014
NSN 6105-01-375-9993
NSN 5960-00-034-5144
NSN 5950-00-980-7767
NSN 5935-01-261-0883
NSN 5965-01-339-0059
NSN 5960-00-918-2369
NSN 6110-01-602-9931
NSN 5925-01-578-6869
NSN 5999-01-274-5257
NSN 5910-01-454-4215
NSN 6110-01-547-8766