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 6135-01-438-7851
NSN 5960-00-597-2680
NSN 6220-00-238-0433
NSN 4140-01-225-6256
NSN 4140-01-429-7510
NSN 6610-00-078-5694
NSN 5999-01-145-4096
NSN 6130-01-580-0271
NSN 5998-01-419-1189
NSN 5915-00-528-1192
NSN 5835-00-123-5175
NSN 6610-01-476-5685