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 6110-00-840-6560
NSN 6130-00-647-3829
NSN 6610-00-878-9442
NSN 6650-01-549-2126
NSN 5935-01-065-0725
NSN 5835-01-416-6449
NSN 6130-01-188-7411
NSN 6135-01-397-6564
NSN 6240-01-287-1328
NSN 4140-01-613-6427
NSN 5945-00-983-9145
NSN 5915-00-709-0068