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 5905-01-384-4964
NSN 6650-01-364-1313
NSN 6685-01-540-8550
NSN 5985-01-206-4729
NSN 6650-00-952-4500
NSN 5905-00-952-6023
NSN 5910-00-624-9799
NSN 6610-01-351-0072
NSN 4140-00-611-8020
NSN 6220-01-007-1912
NSN 6240-00-079-0112
NSN 2925-01-424-0235