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 5990-00-222-9899
NSN 6645-01-534-5545
NSN 5999-01-048-5230
NSN 5935-01-476-7260
NSN 5950-01-605-8150
NSN 5990-00-067-6791
NSN 5930-01-213-4331
NSN 5945-01-191-8423
NSN 6320-01-278-9832
NSN 5999-01-433-1794
NSN 6620-01-572-4486
NSN 6220-00-455-6306