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 5960-01-344-2604
NSN 5915-01-431-9235
NSN 6650-00-937-5319
NSN 6145-01-240-1935
NSN 5935-01-291-1133
NSN 5996-00-432-8578
NSN 6610-00-558-0480
NSN 5920-01-261-3954
NSN 5905-01-462-2640
NSN 5835-00-174-7763
NSN 5996-01-368-7669
NSN 5960-01-522-0391