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 6620-01-391-7331
NSN 6610-01-383-4458
NSN 6240-01-350-3533
NSN 5965-00-167-1255
NSN 5960-01-128-9359
NSN 5895-01-094-7255
NSN 7035-01-327-4456
NSN 5999-01-615-7120
NSN 6610-01-053-0061
NSN 5998-01-141-1990
NSN 6105-01-370-4267
NSN 6685-01-575-5734