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 5925-00-356-8007
NSN 6135-00-930-5372
NSN 5895-00-209-9766
NSN 5990-01-270-3209
NSN 5950-00-925-1895
NSN 6240-01-630-3442
NSN 6620-01-619-3980
NSN 6685-00-248-5820
NSN 5915-00-351-7355
NSN 6650-01-058-5908
NSN 5999-01-090-2924
NSN 6150-00-905-6070