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 5996-01-293-9220
NSN 6685-00-300-8858
NSN 6610-01-445-6362
NSN 2925-01-446-6976
NSN 5855-00-688-9954
NSN 5930-00-539-2834
NSN 5920-00-781-3572
NSN 6610-01-474-6333
NSN 5930-01-391-1263
NSN 5920-01-442-7685
NSN 5990-00-332-9426
NSN 5950-01-453-5118