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 5999-01-010-2806
NSN 4140-00-066-0538
NSN 6240-01-215-3512
NSN 5935-00-786-4628
NSN 5965-01-215-0993
NSN 5895-01-172-1782
NSN 5925-01-450-6701
NSN 5855-01-634-0259
NSN 5998-01-584-4617
NSN 5960-01-641-5493
NSN 6320-01-192-0332
NSN 6610-01-134-8993