Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 123-1589 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 123-1589 It is listed as Tube Breather. component manufactured by Cummins Power Generation Inc Db, specifically under CAGE Code 44940. It is also accompanied by the NSN 2815012164738 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2815 Diesel Engines and Components.