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 6650-00-518-5194
NSN 6620-01-294-1044
NSN 5925-00-595-9394
NSN 5965-00-942-1602
NSN 5975-01-347-6404
NSN 5915-01-579-3650
NSN 5945-01-429-0148
NSN 5910-01-610-9411
NSN 5920-00-372-5864
NSN 5950-01-048-1671
NSN 6130-01-006-9684
NSN 5990-01-333-8678