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 6620-01-516-8476
NSN 7035-01-524-8969
NSN 5990-01-168-6797
NSN 2925-00-055-9601
NSN 6645-01-076-4655
NSN 5895-01-361-8917
NSN 6685-01-231-5127
NSN 5935-01-171-8401
NSN 5905-01-544-5453
NSN 6110-01-005-5140
NSN 5920-01-147-6860
NSN 5835-00-289-9080