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 5935-01-067-2925
NSN 5855-00-293-4708
NSN 5999-01-240-7142
NSN 6645-00-200-2324
NSN 6110-01-621-2250
NSN 7035-01-111-6477
NSN 5990-00-466-2040
NSN 5930-01-444-2386
NSN 5950-01-543-4195
NSN 6650-01-489-5394
NSN 5996-00-705-9518
NSN 5998-00-238-1611