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 6145-01-348-6225
NSN 5895-01-102-5129
NSN 5999-00-618-1040
NSN 6240-01-025-5847
NSN 5835-00-905-7165
NSN 5925-01-062-7973
NSN 5960-01-067-4604
NSN 5910-01-540-9641
NSN 6135-01-295-8315
NSN 6620-01-205-0320
NSN 5925-01-525-1406
NSN 6320-00-468-5015