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 6220-01-225-7830
NSN 5945-01-363-6760
NSN 5945-01-215-4739
NSN 5920-01-377-0116
NSN 6320-01-316-6864
NSN 5945-01-632-8815
NSN 6240-00-107-8192
NSN 5855-01-112-7725
NSN 5996-01-025-5683
NSN 6240-01-200-7937
NSN 6135-00-968-8594
NSN 5855-01-459-9254