Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number D1981-10A with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number D1981-10A It is listed as Heat Exchanger Air To Air Aircraft. component manufactured by Hs Marston Aerospace, specifically under CAGE Code U1603. It is also accompanied by the NSN 1660991113269 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 1660 Aircraft Air Conditioning Heating and Pressurizing Equipment.