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 5855-01-235-5491
NSN 5965-00-153-5216
NSN 5835-01-370-4292
NSN 5910-00-141-5934
NSN 5999-01-528-9679
NSN 5999-01-126-3625
NSN 5999-01-424-0955
NSN 6685-00-170-9237
NSN 5915-01-588-0419
NSN 5920-01-374-3802
NSN 5835-01-459-7428
NSN 5999-01-288-0297