Assembly line parts would not be in individually, commercially labeled packages. Could you imagine the waste and the huge pile of empty boxes on the assembly line ? If you have ever seen videos of various mfg assembly lines in action, part are in bulk bins not individual packaging. They didn't care if the paint got scratched. N.O.S. and lunch box or assembly line parts are not really understood terms by most people. It is easy to research these terms with the availability of the internet now. Do your research first. Assembly line parts were pretty much stolen parts, hence the term coined by Steve Juliano " lunch box " parts. The only true assembly line parts.