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 5985-00-727-4376
NSN 6135-00-877-1659
NSN 5965-01-479-9155
NSN 2925-01-309-5007
NSN 5910-01-454-9298
NSN 6110-01-453-4266
NSN 6620-00-928-0227
NSN 7035-01-268-8042
NSN 5996-01-444-7283
NSN 5920-01-510-0655
NSN 6320-01-326-1316
NSN 5855-01-449-4580