I know that "military grade" has some relevant distinction in automotive. For example, normal car parts are designed to withstand "up to 80°C" and military grad

I know that "military grade" has some relevant distinction in automotive. For example, normal car parts are designed to withstand "up to 80°C" and military grade means "up to 120°C". That has an impact on material choices and cooling. No clue about firewalls though.