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 5960-01-654-4353
NSN 5905-00-067-9099
NSN 6135-00-812-9039
NSN 5905-00-581-4087
NSN 6320-00-646-3311
NSN 5915-01-245-8157
NSN 5998-01-224-7116
NSN 5985-01-174-8018
NSN 5920-00-981-5803
NSN 6240-00-170-5302
NSN 6645-01-396-6976
NSN 6650-01-346-7678