Parts Needed Yesterday, owned and operated by ASAP Semiconductor, is proud to provide components from leading aviation parts manufacturers like Ecc, Tracor Aerospace Inc, Wire, Lear Romec, Agastat. We are dedicated to supplying only the highest-quality aircraft parts, which is why we relentlessly inspect and certify every part that we sell before shipping it out to our customers, and why we uphold a No China Sourcing policy. If you’d like to receive a competitive quote for parts today, you can submit an Instant RFQ now and receive a response within fifteen minutes.