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 6105-01-122-5910
NSN 6320-00-937-5625
NSN 5945-00-949-7979
NSN 6105-01-397-8711
NSN 7035-00-300-3208
NSN 5835-01-584-8538
NSN 5960-01-174-6975
NSN 5945-01-287-0672
NSN 5945-00-515-2667
NSN 5915-00-581-2651
NSN 6130-01-190-9526
NSN 6240-01-433-3648