Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 959-90-10-171 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 959-90-10-171 It is listed as Valve Regulating System Pressure. component manufactured by Pilatus Aircraft Ltd, specifically under CAGE Code S4080. It is also accompanied by the NSN 4820012864204 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.