F118 engine qualified
A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 2925-00-163-9016
NSN 4140-01-117-9555
NSN 6220-01-657-8560
NSN 5985-01-016-6928
NSN 6105-01-545-0185
NSN 5835-01-442-6482
NSN 5855-00-089-3974
NSN 5925-00-758-2787
NSN 6650-00-233-0705
NSN 6135-01-532-7951
NSN 6135-00-968-8594
NSN 5905-01-111-1275