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 5910-00-176-7695
NSN 6650-01-543-0588
NSN 6650-01-139-9534
NSN 5965-01-576-9859
NSN 6130-00-332-2913
NSN 5999-01-100-3221
NSN 5990-01-380-7815
NSN 5925-01-604-9206
NSN 6645-00-233-4286
NSN 5905-01-281-0630
NSN 6320-00-937-5625
NSN 7035-01-512-1826