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 5945-00-857-4369
NSN 6110-01-655-3260
NSN 5965-00-246-4767
NSN 6240-01-437-6888
NSN 5975-01-492-3541
NSN 6150-01-480-2004
NSN 6320-00-977-3930
NSN 2925-01-323-4235
NSN 5960-01-353-3302
NSN 5999-00-841-3339
NSN 5950-01-445-6004
NSN 5855-00-156-5489