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 6320-01-021-6633
NSN 5960-01-525-1690
NSN 6130-01-325-2539
NSN 5930-01-393-6134
NSN 5975-01-072-9647
NSN 5950-01-431-9068
NSN 5990-01-370-4785
NSN 6620-01-274-3423
NSN 5855-01-147-4785
NSN 5960-01-448-3497
NSN 6685-01-544-9697
NSN 5895-01-480-4311