Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number SPE1951 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 SPE1951 It is listed as Valve Vacuum Regulating. component manufactured by Rolls Royce Marine, specifically under CAGE Code K0378. It is also accompanied by the NSN 4820991475599 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4820 Valves Nonpowered.