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 6220-01-483-7883
NSN 5950-01-188-6934
NSN 5895-00-112-2891
NSN 5990-01-582-5238
NSN 6685-01-439-9342
NSN 6240-01-631-8680
NSN 5835-01-564-5575
NSN 6150-01-323-7274
NSN 6145-00-856-6292
NSN 6685-01-443-3284
NSN 6610-01-127-0724
NSN 6110-00-175-3661