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 7035-01-287-9817
NSN 2925-01-521-0600
NSN 5935-01-363-5663
NSN 5998-01-600-5726
NSN 5910-00-240-5765
NSN 5985-00-427-5216
NSN 6645-01-231-7779
NSN 5835-01-625-8604
NSN 5905-00-617-5102
NSN 5920-00-771-7280
NSN 6645-01-380-6111
NSN 6240-00-677-0305