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 5935-00-192-0060
NSN 5935-01-205-4902
NSN 5835-00-179-8451
NSN 6130-01-327-3261
NSN 5935-01-376-4434
NSN 5920-00-153-6941
NSN 6620-01-283-1338
NSN 5835-01-131-2027
NSN 5910-01-211-4363
NSN 6610-00-256-8006
NSN 5910-00-249-3637
NSN 2925-00-496-9082