Rockwell hardness on stud end
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The unthreaded section must have more than one diameter, none of which may be larger than the maximum major diameter of the larger thread. It may be thread relieved. Excludes items with tapered threads.
NSN 5915-00-656-6976
NSN 5990-01-216-1276
NSN 2925-01-482-8202
NSN 6110-00-104-7401
NSN 6135-01-277-7397
NSN 5930-00-868-1249
NSN 6135-01-202-8113
NSN 5930-01-058-7178
NSN 6150-00-806-4302
NSN 5945-00-590-8984
NSN 5835-00-759-1109
NSN 5950-01-381-6393