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 5835-01-228-8666
NSN 6320-01-563-8525
NSN 4140-00-846-4786
NSN 6130-00-281-5978
NSN 6610-01-553-8004
NSN 6105-01-027-6854
NSN 6685-01-204-3252
NSN 5975-00-911-5934
NSN 7035-00-145-9138
NSN 5935-01-139-6117
NSN 5965-01-605-4139
NSN 5915-00-387-2333