F118 engine qualified
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 4140-01-468-6724
NSN 6130-01-445-6165
NSN 5905-01-100-2000
NSN 5855-00-973-5717
NSN 6110-00-298-9709
NSN 5965-01-436-0390
NSN 5930-01-181-7081
NSN 5920-00-809-7802
NSN 5930-01-596-5425
NSN 6650-00-133-7884
NSN 5945-01-645-8236
NSN 5920-01-365-9930