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 5990-01-087-7081
NSN 7035-00-417-2967
NSN 2925-01-415-2140
NSN 6650-01-442-5441
NSN 5915-01-055-0182
NSN 7035-00-205-1932
NSN 5915-00-106-0308
NSN 5910-01-550-7184
NSN 5935-01-298-7501
NSN 5895-01-185-4381
NSN 6240-01-423-1335
NSN 4140-00-203-3548