A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5935-00-225-8689
NSN 6105-00-259-1692
NSN 5999-00-734-4686
NSN 6645-01-579-2898
NSN 5998-01-450-0583
NSN 6135-01-419-4985
NSN 4140-00-458-3327
NSN 5950-01-630-5111
NSN 6650-00-484-3616
NSN 5950-00-139-2942
NSN 6320-01-558-8844
NSN 5905-01-294-9389