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 6320-01-029-2196
NSN 5999-01-532-3076
NSN 6645-01-398-9102
NSN 5935-01-097-5903
NSN 7035-00-486-0367
NSN 5910-01-528-9618
NSN 5920-00-113-6041
NSN 5920-00-180-4278
NSN 6685-00-627-6102
NSN 5910-01-268-3165
NSN 5950-01-345-7569
NSN 5965-00-928-6983