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 5965-01-058-1414
NSN 6135-00-145-8884
NSN 6130-00-679-8891
NSN 6610-01-628-6044
NSN 5910-01-367-2732
NSN 6240-00-316-3167
NSN 5835-01-436-6549
NSN 5990-01-188-7309
NSN 5990-00-783-4560
NSN 5920-01-548-9521
NSN 5960-01-167-8796
NSN 5930-00-883-9729