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 6610-01-452-2715
NSN 6150-00-105-1415
NSN 5998-00-727-8716
NSN 5895-00-119-5692
NSN 5965-01-283-6106
NSN 6135-01-187-4382
NSN 5999-01-475-4021
NSN 6150-00-005-6550
NSN 6645-00-057-3499
NSN 5996-00-231-9322
NSN 6620-01-072-9372
NSN 7035-01-319-2315