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 6620-01-208-1092
NSN 5935-01-308-5100
NSN 5910-00-907-6686
NSN 6650-00-170-5095
NSN 5960-00-692-2887
NSN 6220-01-474-3967
NSN 5910-01-466-3047
NSN 5855-00-944-0949
NSN 6685-01-268-0613
NSN 5935-01-418-2795
NSN 5920-01-372-1322
NSN 6150-00-150-8838