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 5920-01-466-8210
NSN 5855-01-553-3368
NSN 5998-01-468-8886
NSN 6220-00-326-5864
NSN 5999-01-400-5933
NSN 5945-01-475-4695
NSN 6105-01-287-2632
NSN 5985-01-367-7774
NSN 5925-01-046-3290
NSN 6105-01-421-2644
NSN 4140-00-170-5152
NSN 5960-00-476-4750