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 5920-01-415-6546
NSN 5920-01-035-0343
NSN 4140-00-269-5795
NSN 5915-01-597-9432
NSN 5996-01-648-0405
NSN 5915-01-184-4122
NSN 4140-01-069-4576
NSN 6135-01-217-8810
NSN 6620-00-809-5156
NSN 5960-01-468-6508
NSN 2925-01-314-4612
NSN 7035-00-275-5604