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 5895-01-007-9678
NSN 5950-00-980-0613
NSN 6650-01-373-8067
NSN 6650-01-378-6868
NSN 6240-00-660-8849
NSN 5999-00-249-4073
NSN 6220-01-146-5152
NSN 5998-01-613-9345
NSN 5965-01-170-9891
NSN 6685-01-088-7317
NSN 6105-01-377-2641
NSN 5855-01-560-8186