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 5905-01-030-0629
NSN 5910-00-245-9578
NSN 5965-00-518-0958
NSN 6150-01-240-3565
NSN 5985-01-244-6180
NSN 6110-00-524-5427
NSN 6135-01-156-4627
NSN 6130-00-492-1390
NSN 6610-01-378-8422
NSN 5920-01-165-5187
NSN 5920-01-072-6610
NSN 5960-01-288-8910