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 5920-01-044-5621
NSN 5965-00-888-2643
NSN 5945-00-932-3335
NSN 6145-00-840-6685
NSN 5920-00-135-4930
NSN 5935-00-849-2474
NSN 5965-00-523-5647
NSN 5985-00-273-3175
NSN 6150-01-578-6786
NSN 5990-01-266-9144
NSN 6685-01-421-5889
NSN 6240-01-394-2571