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 6130-01-065-0541
NSN 5998-01-326-4135
NSN 5835-01-468-0579
NSN 6610-01-477-6476
NSN 5975-01-070-6505
NSN 6240-01-371-3020
NSN 5950-00-528-9293
NSN 6110-01-582-8711
NSN 6620-00-946-4864
NSN 5985-00-736-6073
NSN 5960-00-857-1250
NSN 2925-01-435-9057