Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 3F6399B 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 3F6399B It is listed as Operator Valve. component manufactured by Flowserve Corporation, specifically under CAGE Code 52374. It is also accompanied by the NSN 4810011525372 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4810 Valves Powered.