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 5999-01-557-8610
NSN 7035-00-585-2113
NSN 5935-01-012-1850
NSN 6105-01-144-1096
NSN 5915-01-439-2249
NSN 5985-01-656-6774
NSN 5905-01-411-3945
NSN 5965-01-103-5133
NSN 5855-01-064-8961
NSN 5895-01-430-8745
NSN 6150-00-223-8797
NSN 5925-01-281-7475