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 5950-01-499-9772
NSN 5930-01-634-0659
NSN 5835-01-426-6573
NSN 5915-01-021-9441
NSN 5990-01-565-2226
NSN 5965-01-539-7345
NSN 6130-01-085-6725
NSN 5950-01-495-2652
NSN 6650-00-968-1836
NSN 6105-01-230-1277
NSN 6130-01-200-3600
NSN 5910-01-231-9179