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 6645-01-142-6167
NSN 5915-01-145-5340
NSN 6320-00-646-3311
NSN 5855-01-147-6024
NSN 5990-01-147-5225
NSN 5895-00-863-0745
NSN 5935-01-529-6255
NSN 2925-01-446-6976
NSN 6685-01-492-4619
NSN 6610-01-168-7943
NSN 5996-00-305-6152
NSN 6645-00-192-1152