Here are some pics of a bolt from a bunch of parts I have bought, the bolt have 3 "serial numbers", probably common I don't know, the bolt has been force matched but does anyone know the meaning of the two digit number?
https://www.milsurps.com/images/impo...r3ezkvtj-1.jpg
https://www.milsurps.com/images/impo...ct54c6le-1.jpg
https://www.milsurps.com/images/impo...kkyintvl-1.jpg