Head markings indented at 120.0 degrees
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Classification: Nuts of iron or steel
NSN 5925-01-563-4677
NSN 5960-00-449-3358
NSN 6645-01-348-9624
NSN 5975-01-058-3536
NSN 5935-00-155-0686
NSN 5960-00-692-2887
NSN 5935-01-647-2496
NSN 5996-00-150-2289
NSN 6685-01-170-4926
NSN 5990-01-387-6114
NSN 5996-01-416-9391
NSN 5915-00-403-1420