F118 engine qualified
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 6645-00-334-0115
NSN 6685-01-570-9579
NSN 5910-01-054-7381
NSN 5975-01-275-1018
NSN 6645-01-256-3375
NSN 6220-01-641-1319
NSN 5905-00-664-4218
NSN 6685-00-825-1831
NSN 6105-01-434-3572
NSN 5905-01-118-3235
NSN 5996-00-145-8174
NSN 5996-00-226-5364