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 6240-00-827-0889
NSN 6145-01-458-3619
NSN 5985-00-816-8486
NSN 5905-00-105-7537
NSN 6685-01-619-6579
NSN 5930-01-615-2810
NSN 6105-01-312-6055
NSN 7035-01-060-0166
NSN 5905-00-421-3432
NSN 5990-01-491-1397
NSN 5925-01-654-8570
NSN 5855-01-536-9028