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 5990-01-512-9129
NSN 6150-01-485-3478
NSN 6145-00-763-6077
NSN 5855-00-586-6255
NSN 5935-00-863-1729
NSN 5930-01-575-7814
NSN 5960-01-599-9821
NSN 7035-01-083-0282
NSN 5930-00-176-4065
NSN 5999-00-681-6436
NSN 6620-01-378-5579
NSN 4140-01-359-6231