Rockwell hardness on cap nut end only
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. All or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. It may be thread relieved. Excludes items with tapered threads. See also stud, locked in.
NSN 5996-01-572-8487
NSN 5915-01-525-9893
NSN 6685-01-628-4883
NSN 6320-01-283-9370
NSN 6105-01-463-2387
NSN 7035-01-116-6223
NSN 5990-01-374-1994
NSN 6620-01-578-7561
NSN 6685-00-555-2299
NSN 4140-01-503-3558
NSN 5910-01-238-1500
NSN 5965-01-026-7834