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 5990-01-089-6743
NSN 6685-01-462-5090
NSN 6320-00-456-2092
NSN 5999-00-031-2830
NSN 6685-01-479-6499
NSN 6685-00-987-7078
NSN 6610-01-316-3547
NSN 6320-01-585-8468
NSN 5930-00-461-5959
NSN 5895-01-302-2127
NSN 6650-00-451-8174
NSN 5935-00-583-1851