I'm building my Yocto and I'm doing the Middle Tom right now, I was checking the list and getting the right parts from every little plastic bags and when it came to the Polyester capacitor (2A273J), I found only one left, although I needed two. I also quickly checked on the next chapters, and I found I needed at least 4 more to finish the Yocto. So I'm 5 caps short on this value.
I went to my local electronics dealer and all I could find were these, which were labelled as "plastic" on the box (well maybe not exactly polyester), and I only could find 22n instead of 27n. Are these okay ? Might there be a quality difference ? I think with a tolerance of 15% on this cap I think, I can get up to 30% off from the original wanted value, will that change a lot of things ? For example if it's tuning related ?

Thanks,
Léo