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 5990-01-361-4192
NSN 5985-01-605-5876
NSN 6620-00-292-7000
NSN 6240-00-806-4554
NSN 7035-01-534-7074
NSN 5935-01-206-3972
NSN 6135-01-141-4916
NSN 5960-01-316-8100
NSN 5930-01-220-3548
NSN 6620-01-534-7180
NSN 5998-00-482-9300
NSN 5915-01-503-6985