A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5925-01-032-8290
NSN 6135-01-299-7252
NSN 5990-01-430-9177
NSN 5960-01-354-0762
NSN 5990-01-652-7373
NSN 6150-00-120-2485
NSN 5835-01-066-5337
NSN 6105-01-453-3932
NSN 6650-00-506-0054
NSN 6240-01-625-1279
NSN 5920-00-269-6178
NSN 6150-01-538-0556