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 5960-01-130-6413
NSN 5965-00-642-9879
NSN 5935-01-430-3185
NSN 5915-01-421-7302
NSN 2925-01-332-7178
NSN 6240-01-088-7629
NSN 6685-01-327-3627
NSN 5915-00-722-4436
NSN 6110-01-020-9150
NSN 5975-01-027-9132
NSN 6650-00-738-5418
NSN 5915-00-514-2098