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 5999-00-238-6216
NSN 2925-00-646-6099
NSN 5930-00-660-6774
NSN 6610-01-058-2366
NSN 4140-01-061-9849
NSN 6135-01-527-5494
NSN 6145-01-241-2375
NSN 6130-00-905-1179
NSN 5950-01-502-7019
NSN 5945-00-161-4014
NSN 5960-00-826-7697
NSN 2925-01-318-8853