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 6320-01-643-0850
NSN 6150-00-833-3037
NSN 5835-01-216-7289
NSN 6220-01-321-4399
NSN 6105-00-993-5244
NSN 6105-01-634-0322
NSN 5905-01-555-6495
NSN 5998-01-412-0011
NSN 6220-00-136-0138
NSN 7035-01-497-9773
NSN 5925-00-901-4931
NSN 5996-01-050-2011