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 5990-00-984-9057
NSN 5920-01-218-5415
NSN 5950-00-760-4338
NSN 5965-01-497-5472
NSN 6610-01-522-5751
NSN 6145-01-220-2309
NSN 5960-00-665-5180
NSN 5895-01-492-8051
NSN 2925-01-578-7731
NSN 6135-01-514-9327
NSN 5835-00-779-2836
NSN 4140-00-340-7685