Here at Aerospace Unlimited, we have aircraft repair part number 40400-000 from Westland-Sitec, as well as a variety of other parts from reliable aircraft manufacturers. As the only independent distributor with a no China sourcing policy, we go to great lengths to ensure that we source responsibly when it comes to parts as 40400-000 (with description Drain Valve), C3406 and more. If you’re in need of a specific part to aid you in your aircraft repair capabilities, simply search by part number, NSNs or Cage Codes on our parts directory. Submit an instant RFQ and a representative will get back to you in as little as 15 minutes.