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 5996-00-089-7881
NSN 5895-00-286-3788
NSN 5910-01-185-7182
NSN 6105-00-664-1292
NSN 5905-00-188-5414
NSN 2925-01-523-3607
NSN 5950-01-006-6548
NSN 5985-01-216-6095
NSN 5905-01-084-7264
NSN 5915-01-186-0464
NSN 5895-00-270-0949
NSN 6320-00-483-0451