Can I say something, and as a component in question, and which machine is about?

HI
Part reclaimed from the engine DB 601-605.
Regulator air intake - boost pressure regulator.
Best regards,
Jarek
PS
This section is not to identify

Thank you very much for your answer. Pity that you can not identify the exact type of aircraft for which the controller is mounted in this .It but I'd like to very much.
But even so, many thanks for your help, and I'm sorry that I put into this section, I'm here not know ....