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 5950-01-386-4442
NSN 5920-00-964-4538
NSN 2925-01-425-7087
NSN 2925-01-236-3547
NSN 5835-01-286-6499
NSN 6620-00-411-4983
NSN 6650-00-484-3616
NSN 5950-01-133-5569
NSN 6685-01-270-3427
NSN 7035-00-981-7216
NSN 6620-00-124-9515
NSN 5996-00-891-4036