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 5945-01-544-7640
NSN 6130-01-328-8108
NSN 6645-00-095-6956
NSN 5985-01-435-9045
NSN 5925-00-199-5858
NSN 6685-01-210-7059
NSN 6650-00-205-6282
NSN 5950-01-461-7939
NSN 6620-01-589-5411
NSN 5895-01-423-8636
NSN 6240-01-465-1355
NSN 5996-01-633-7979