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 5905-01-563-8635
NSN 6135-01-415-1163
NSN 6650-01-529-6721
NSN 6105-01-228-0112
NSN 5965-01-602-5734
NSN 5998-01-137-6653
NSN 5975-01-550-1494
NSN 5990-01-149-9228
NSN 7035-01-145-5059
NSN 6685-00-631-3549
NSN 5960-01-081-7745
NSN 5920-00-594-3124