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 5910-01-617-1428
NSN 7035-01-395-0757
NSN 5895-01-484-8496
NSN 5935-01-354-5345
NSN 2925-00-149-0760
NSN 5910-01-081-6133
NSN 5999-01-100-9774
NSN 5835-00-233-6327
NSN 7035-01-227-2546
NSN 5920-01-460-9579
NSN 5910-01-170-1616
NSN 6220-01-224-6415