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 5930-00-913-6507
NSN 5996-00-146-7998
NSN 5998-01-133-1533
NSN 5990-01-421-3325
NSN 6130-00-119-9170
NSN 6105-01-460-8248
NSN 5905-00-423-5959
NSN 5930-01-611-3968
NSN 5975-01-142-5832
NSN 6150-01-549-1552
NSN 6650-01-131-2570
NSN 6685-00-862-6382