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 5915-01-568-5427
NSN 6645-01-491-1815
NSN 5895-00-496-9231
NSN 7035-00-205-1932
NSN 5910-01-352-8468
NSN 6645-01-103-8449
NSN 2925-00-600-1668
NSN 6105-01-484-0233
NSN 5930-01-506-0788
NSN 5920-00-246-5992
NSN 5905-00-959-3159
NSN 5999-00-833-6333