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 5998-00-055-0736
NSN 5905-00-194-5253
NSN 7035-00-941-4949
NSN 7035-00-834-2090
NSN 5905-01-170-6127
NSN 5999-01-057-9522
NSN 5990-01-209-1505
NSN 5925-00-767-0284
NSN 6645-00-960-6594
NSN 6105-01-115-2270
NSN 6150-01-227-7547
NSN 6610-00-564-9360