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 6150-00-205-6775
NSN 5905-00-456-2420
NSN 7035-01-582-4034
NSN 6220-01-077-7833
NSN 5998-01-341-2732
NSN 5905-01-514-4580
NSN 5990-00-067-6791
NSN 6620-01-386-5543
NSN 5990-01-128-7599
NSN 4140-00-232-1039
NSN 5855-00-688-9954
NSN 5950-00-266-9058