Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 288-517 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 288-517 It is listed as Valve Check. component manufactured by Ajax Tocco Magnethermic Corporation, specifically under CAGE Code 74QK6. It is also accompanied by the NSN 4820015728298 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.