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 6240-01-614-0559
NSN 5905-01-398-9078
NSN 5975-01-510-2923
NSN 5930-01-468-3241
NSN 5965-00-678-8725
NSN 5950-00-284-1009
NSN 5920-01-591-9424
NSN 5965-00-087-3245
NSN 5905-01-312-1759
NSN 6105-01-371-2458
NSN 5930-00-958-5132
NSN 5920-01-596-8110