Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 31-339 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 31-339 It is listed as Diaphragm Pressure Switch. component manufactured by Custom Control Sensors Inc, specifically under CAGE Code 09049. It is also accompanied by the NSN 5930013917725 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5930 Switches.