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 5930-00-193-1797
NSN 5975-01-521-0882
NSN 6220-00-954-0442
NSN 6645-01-116-9634
NSN 6685-00-132-1175
NSN 6240-00-146-9322
NSN 6320-00-343-1798
NSN 5950-01-212-9660
NSN 5925-01-631-4473
NSN 5920-00-845-3755
NSN 6610-01-296-4462
NSN 5998-01-023-8080