Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 189-4583 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 189-4583 It is listed as Rotor Engine Poppet Valve. component manufactured by Navantia Sa, specifically under CAGE Code 409BB. It is also accompanied by the NSN 2815013504013 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2815 Diesel Engines and Components.