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 5998-01-289-2713
NSN 6110-01-346-0028
NSN 5855-00-797-8217
NSN 6110-01-344-0469
NSN 6685-00-140-4324
NSN 6130-01-343-4078
NSN 5910-01-453-0419
NSN 5996-01-347-1872
NSN 5965-01-511-1023
NSN 5930-01-421-3329
NSN 6320-01-287-0540
NSN 6105-01-539-9208