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 5998-01-523-9997
NSN 2925-01-609-8464
NSN 5960-01-558-7787
NSN 6135-01-062-9356
NSN 2925-01-351-9748
NSN 5998-01-606-4397
NSN 6650-00-388-4517
NSN 6620-01-089-4416
NSN 5910-01-190-9147
NSN 5999-00-286-6231
NSN 5905-00-597-8280
NSN 5925-01-486-8707