If I can slap it in a collapsible sub, I can slap it in an airplane!
Besides, it’s not like it’s supposed to be what’s holding the door plug on.
Everyone single part on a plane has to be certified and from a certified supplier that goes through a stupid process to be certified.
Well, some of it ain’t stupid.
Imagine the shortcuts Boeing would take if they were beholden to no certifications at all.