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 6620-01-062-1662
NSN 6145-01-204-7021
NSN 5915-01-444-8938
NSN 5965-01-415-1521
NSN 7035-00-104-7613
NSN 6240-00-152-6289
NSN 6645-01-141-7737
NSN 5935-01-608-7397
NSN 5999-00-381-5242
NSN 6145-00-141-8095
NSN 5999-01-370-5285
NSN 6130-00-180-5149