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 5945-00-109-4504
NSN 6110-01-449-0150
NSN 6135-00-461-3590
NSN 6645-00-764-3355
NSN 6320-01-527-0211
NSN 6220-01-094-5551
NSN 2925-00-005-1618
NSN 6150-01-324-3990
NSN 5998-01-515-6741
NSN 6150-01-476-8833
NSN 6150-00-580-0511
NSN 6650-01-127-9518