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 5925-01-549-8757
NSN 5965-00-554-4138
NSN 5925-01-603-3372
NSN 5985-00-824-7122
NSN 6620-01-415-5803
NSN 5990-00-398-0507
NSN 4140-01-572-0906
NSN 5935-00-945-1154
NSN 6130-00-815-3516
NSN 6150-01-093-6301
NSN 5915-00-276-8332
NSN 5935-01-118-9823