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 6135-00-203-9645
NSN 6685-01-589-2302
NSN 5960-01-325-2241
NSN 4140-01-210-9909
NSN 6135-01-464-2075
NSN 6105-01-442-7305
NSN 6240-01-353-3220
NSN 6135-00-284-1406
NSN 5960-01-142-1995
NSN 5905-01-196-6154
NSN 5998-01-469-3832
NSN 6645-01-172-4477