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 5935-01-114-7124
NSN 6220-00-171-8638
NSN 5975-00-111-1226
NSN 5975-01-361-9830
NSN 2925-01-261-0701
NSN 6610-01-594-0359
NSN 2925-00-956-3848
NSN 5960-00-715-9227
NSN 6150-00-717-1596
NSN 6620-01-199-8580
NSN 5915-01-362-7802
NSN 6135-01-285-8807