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 5960-01-567-1096
NSN 6145-00-887-1439
NSN 5905-00-422-5335
NSN 6685-01-441-1846
NSN 5975-00-262-0896
NSN 5950-01-589-2148
NSN 5996-01-244-3450
NSN 5920-00-436-2225
NSN 5985-00-959-6441
NSN 5950-00-150-4772
NSN 6320-01-067-0474
NSN 5925-01-425-4332