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 5905-01-370-4813
NSN 6240-01-423-1335
NSN 5996-01-101-2987
NSN 5945-01-646-3882
NSN 6620-01-369-5876
NSN 6220-00-188-7525
NSN 6130-01-394-0940
NSN 6650-01-487-7510
NSN 6240-00-397-2897
NSN 5895-01-018-4919
NSN 6320-00-593-0379
NSN 5905-00-081-7656