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 6110-01-354-2885
NSN 5835-00-501-2581
NSN 6610-01-044-4740
NSN 4140-00-519-2781
NSN 5855-01-562-6560
NSN 5835-00-550-7728
NSN 6145-01-113-8205
NSN 5855-01-317-5354
NSN 5910-01-305-1723
NSN 2925-00-081-6835
NSN 5960-01-328-8248
NSN 5920-01-457-4653