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 6650-00-952-2754
NSN 5935-01-542-8369
NSN 6620-01-421-3917
NSN 5996-01-058-8227
NSN 6110-01-056-4964
NSN 5998-01-089-9725
NSN 5910-00-579-5740
NSN 5996-01-492-5408
NSN 5925-01-534-4479
NSN 6320-01-457-2805
NSN 5895-01-619-3613
NSN 5915-01-627-8329