Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 311997-1 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 311997-1 It is listed as Valve Regulating Fluid Pressure. component manufactured by Honeywell International Inc Aer, specifically under CAGE Code 59364. It is also accompanied by the NSN 4810002028541 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4810 Valves Powered.