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 5915-00-078-3265
NSN 6685-01-232-7680
NSN 5999-00-942-2296
NSN 6645-00-143-1567
NSN 5855-01-073-5508
NSN 5935-01-449-0935
NSN 6220-00-410-5975
NSN 6620-01-420-6831
NSN 5910-01-216-5007
NSN 5945-01-116-3112
NSN 5998-01-257-9993
NSN 5960-01-311-5817