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 5915-01-383-9244
NSN 6240-00-555-6347
NSN 7035-00-490-0485
NSN 6240-00-901-4200
NSN 5930-01-100-1084
NSN 7035-01-384-9257
NSN 5855-00-943-3894
NSN 5960-01-520-3540
NSN 6145-01-422-4371
NSN 5895-01-555-8360
NSN 2925-00-355-5130
NSN 6645-01-440-0755