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 5965-01-100-1195
NSN 6130-01-425-4061
NSN 5895-01-244-0962
NSN 5960-01-225-7973
NSN 6105-01-361-9248
NSN 5960-00-215-5884
NSN 4140-01-509-1300
NSN 5915-00-731-8211
NSN 6240-00-194-7924
NSN 2925-01-465-3437
NSN 5965-00-217-2476
NSN 6130-01-151-2885