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 6645-00-144-4868
NSN 6145-01-573-7297
NSN 6150-01-377-4883
NSN 6145-00-669-6795
NSN 5925-01-332-6524
NSN 6645-00-262-7448
NSN 6105-01-254-2662
NSN 5996-01-044-6241
NSN 6105-01-461-8426
NSN 5975-01-359-4020
NSN 5855-01-588-7940
NSN 5985-00-216-8216