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 6135-01-264-7261
NSN 6150-01-114-0192
NSN 5905-01-178-5610
NSN 5945-00-014-6594
NSN 6135-01-563-4445
NSN 5975-01-462-1417
NSN 6620-00-181-6391
NSN 5975-01-070-8179
NSN 5960-01-380-0885
NSN 5965-01-595-6134
NSN 6130-01-368-5882
NSN 5998-00-912-5782