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 6240-01-297-2978
NSN 5975-00-149-0758
NSN 5935-01-068-3228
NSN 5999-00-753-7450
NSN 5835-00-080-8213
NSN 5895-01-485-2470
NSN 5895-00-924-6630
NSN 5960-01-154-1833
NSN 7035-00-631-3782
NSN 5945-01-067-9527
NSN 5905-01-239-2717
NSN 6685-01-602-9962