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 5925-00-736-0425
NSN 6110-00-969-4030
NSN 6105-01-032-4706
NSN 5930-00-621-8882
NSN 6105-01-335-7814
NSN 5945-00-410-7267
NSN 6685-00-156-3054
NSN 5935-01-399-0618
NSN 5855-00-174-3482
NSN 5999-01-616-2942
NSN 6650-01-487-9454
NSN 5975-00-168-4429