The stud is ni-cu material, 1/2-13unc 2a both ends, first end (left side) is 1.00 +/-.03 second end (right side) is 1.681 +/-.03 length is 3.000 +/-.03 inches; drawing has changed from assembly to individual parts
A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.
NSN 5905-01-590-2883
NSN 5920-00-345-5833
NSN 6685-01-056-4379
NSN 5965-01-084-6921
NSN 5990-01-502-8209
NSN 5990-01-281-7601
NSN 5990-00-905-5537
NSN 5930-01-381-2143
NSN 6620-01-237-5603
NSN 6645-01-426-8621
NSN 5925-01-509-0571
NSN 5998-01-376-0467