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 6645-00-975-6941
NSN 5998-01-205-8550
NSN 6220-01-066-5203
NSN 5996-01-136-8903
NSN 5990-00-067-6791
NSN 5835-01-332-2867
NSN 6135-01-167-7604
NSN 4140-00-707-5963
NSN 5905-01-012-2520
NSN 7035-00-585-2113
NSN 6685-00-097-0134
NSN 6145-01-341-9578