> I trust that Boeing design engineers would have know full well that this tight tolerance would cost a lot of money, and would therefore specify it only if nec

> I trust that Boeing design engineers would have know full well that this tight tolerance would cost a lot of money, and would therefore specify it only if necessary Hahahahahahahahahahahahahahahaha Source: worked in places that manufactured aerospace stuff. The .005 is likely the output of some other calculation that got copypasta'd because why not.