If you’re in need of 81-369D21272-19 or Airframe, from Md Helicopters, Inc., Aerospace Unlimited is your one stop shop. We carry Helicopter parts and other items as Pad Inv. On 80- Castings. If there is something specific that you are searching for, browse by Aircraft Model part number such as 81-369D21272-19 in our catalogues to find what you need. 1KVX4, engines, fasteners are just a few of the 6 billion items that we can inventory. And thanks to the various shipping locations that we have, we can ship almost anywhere. Contact us today to get an immediate quote!