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 6645-01-464-7002
NSN 2925-01-553-5132
NSN 5910-01-065-0977
NSN 5985-00-488-7440
NSN 5965-00-959-4910
NSN 6135-01-100-3593
NSN 6130-01-340-0820
NSN 6220-01-449-8546
NSN 6110-01-338-6746
NSN 6650-01-272-9746
NSN 5855-01-287-6391
NSN 6685-00-194-3571