Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number E203 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 E203 It is listed as Stem Fluid Valve. component manufactured by Clarkreliance Corporation, specifically under CAGE Code 74965. It is also accompanied by the NSN 4820010136101 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.