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 6135-01-468-6491
NSN 5975-01-448-4087
NSN 4140-00-736-4224
NSN 6685-00-715-3881
NSN 6145-01-174-2992
NSN 5925-01-233-5711
NSN 6150-00-229-1418
NSN 6685-01-592-3432
NSN 5915-01-483-5125
NSN 6610-01-142-8323
NSN 5999-00-056-3426
NSN 5835-01-544-5183