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 5965-01-536-6730
NSN 5985-01-186-4746
NSN 6105-00-153-7967
NSN 5999-01-656-2092
NSN 5925-01-382-4907
NSN 5915-00-252-1876
NSN 6130-01-505-6085
NSN 6105-00-501-7681
NSN 6130-00-115-0574
NSN 6240-01-171-0374
NSN 5925-01-614-1825
NSN 5945-01-360-5341