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 6145-01-107-3275
NSN 6650-01-247-6623
NSN 5998-00-905-0637
NSN 6135-01-647-0386
NSN 6105-00-527-2193
NSN 5990-01-331-9438
NSN 6135-00-305-2052
NSN 6650-01-510-9488
NSN 6135-00-738-5571
NSN 6110-01-160-7706
NSN 5930-01-133-8344
NSN 5990-01-571-7468