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 6620-01-374-5787
NSN 5945-01-168-6569
NSN 6240-01-103-1198
NSN 6240-01-415-6004
NSN 6145-01-634-0388
NSN 2925-01-254-3068
NSN 7035-01-091-1929
NSN 5990-01-047-3090
NSN 5905-01-387-2138
NSN 5935-01-634-0668
NSN 5999-01-452-9967
NSN 5935-01-558-9378