Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 503-4-10325-000 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 503-4-10325-000 It is listed as Rotor Engine Poppet Valve. component manufactured by Eaton Aerospace Ltd, specifically under CAGE Code K2523. It is also accompanied by the NSN 2805005071454 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2805 Gasoline Reciprocating Engines Except Aircraft and Components.