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 6240-01-155-2959
NSN 5855-01-585-0770
NSN 6105-01-273-0596
NSN 5985-00-869-5347
NSN 5975-01-152-2635
NSN 5895-01-039-6069
NSN 6105-00-557-8962
NSN 6110-01-633-9660
NSN 5960-00-322-8562
NSN 7035-01-613-9794
NSN 5925-01-272-9577
NSN 6320-00-593-0379