Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 4989 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 4989 It is listed as Valve Exhaust Control. component manufactured by Taylor Dunn Mfg Co, specifically under CAGE Code 10695. It is also accompanied by the NSN 4820011099938 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.