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 5930-01-631-8057
NSN 5965-01-588-7092
NSN 6145-01-432-0088
NSN 5950-01-447-1181
NSN 5965-00-858-5398
NSN 6145-01-136-7177
NSN 5905-00-664-4218
NSN 6645-01-512-8472
NSN 2925-01-469-8229
NSN 2925-01-545-2717
NSN 6135-01-422-1440
NSN 6610-01-645-7515