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 6610-00-225-9886
NSN 5965-00-680-9749
NSN 6685-01-603-9738
NSN 5996-00-556-2479
NSN 6240-01-450-9269
NSN 5999-01-471-4272
NSN 5910-01-095-4386
NSN 6150-00-518-4558
NSN 5930-00-849-4908
NSN 6620-01-497-3744
NSN 5920-01-426-8517
NSN 6620-00-212-6921