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 5920-00-102-8713
NSN 5930-01-454-2452
NSN 5985-00-405-2436
NSN 6130-01-589-4142
NSN 6645-01-058-8877
NSN 5920-01-242-5040
NSN 5999-01-074-0918
NSN 5930-01-056-9598
NSN 6105-01-468-0532
NSN 6650-00-820-4577
NSN 6645-00-930-9356
NSN 6150-01-505-0019