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 5925-00-763-8079
NSN 6110-01-588-6211
NSN 5910-00-155-3965
NSN 6110-00-009-9334
NSN 6320-01-564-0893
NSN 2925-01-004-5627
NSN 6645-01-629-9657
NSN 5945-01-435-5874
NSN 5990-01-421-5342
NSN 6220-01-105-2631
NSN 6620-00-115-3492
NSN 5915-00-144-5548