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 5935-01-006-1228
NSN 2925-01-421-9665
NSN 5915-00-457-7960
NSN 5945-01-621-1720
NSN 6320-00-377-5683
NSN 5945-01-323-7171
NSN 6150-00-227-2424
NSN 5925-01-539-6690
NSN 5950-01-041-8588
NSN 5895-01-312-9468
NSN 6620-01-464-6762
NSN 5998-01-497-1815