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 5996-00-278-5193
NSN 6645-01-469-0192
NSN 5960-01-442-7950
NSN 6240-01-500-2152
NSN 2925-01-463-8856
NSN 6240-01-025-1208
NSN 6645-01-656-0567
NSN 5910-01-502-8157
NSN 7035-00-225-6499
NSN 6110-00-129-8714
NSN 6220-01-658-1035
NSN 5835-01-544-5183