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 5910-01-401-5279
NSN 4140-00-255-9260
NSN 5960-01-453-6170
NSN 7035-01-106-3476
NSN 5915-01-611-7401
NSN 6650-01-214-1710
NSN 5975-01-505-8239
NSN 5895-00-185-4543
NSN 5930-00-830-4813
NSN 6105-00-236-9947
NSN 5905-01-463-6533
NSN 5998-00-068-4447