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 7035-01-106-3476
NSN 5975-01-014-6161
NSN 5990-01-174-6851
NSN 5930-01-069-7648
NSN 5930-01-065-0890
NSN 5935-01-062-0566
NSN 5985-00-275-5109
NSN 6650-01-195-0006
NSN 5930-01-632-9606
NSN 6320-00-977-3930
NSN 5985-01-581-4531
NSN 5950-00-708-1502