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 6105-00-918-8239
NSN 5999-01-099-2985
NSN 6150-00-064-1673
NSN 6650-00-490-2637
NSN 5965-01-100-3878
NSN 6650-00-296-4670
NSN 6130-00-367-2706
NSN 6150-00-990-4853
NSN 6645-00-476-7176
NSN 5965-01-141-6485
NSN 5999-01-647-7086
NSN 6610-00-155-1334