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 2925-01-332-7178
NSN 6220-00-200-7888
NSN 5975-01-535-2279
NSN 5990-01-052-1987
NSN 5999-01-374-0711
NSN 5835-00-518-4507
NSN 5915-01-444-9647
NSN 5905-01-352-9835
NSN 5985-01-432-0866
NSN 5990-01-200-7460
NSN 5999-01-180-9754
NSN 5975-01-497-3442