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 6320-01-350-5570
NSN 5835-00-179-8451
NSN 6220-01-427-2333
NSN 5950-01-634-0677
NSN 5985-00-581-0513
NSN 5930-00-511-1383
NSN 6110-01-243-1287
NSN 2925-01-068-3844
NSN 5965-01-103-0398
NSN 5960-00-717-7844
NSN 5895-00-596-8678
NSN 6150-01-004-2985