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 6240-01-382-3756
NSN 5895-00-012-7493
NSN 6135-00-856-1343
NSN 5905-00-993-0357
NSN 5895-01-586-8845
NSN 6105-01-142-2694
NSN 5965-01-010-1258
NSN 5920-01-608-3599
NSN 6130-01-106-3649
NSN 6135-00-016-0071
NSN 6650-00-527-8822
NSN 6685-01-605-0762