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 6150-01-278-9078
NSN 6320-00-422-9006
NSN 5996-00-621-0338
NSN 5975-01-372-2389
NSN 5996-00-931-5803
NSN 5990-01-527-7640
NSN 6645-01-476-6115
NSN 5985-00-633-3146
NSN 6220-00-108-8598
NSN 6110-01-338-6033
NSN 5990-01-471-0494
NSN 6645-01-452-9495