Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 139D020-23 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 139D020-23 It is listed as Adapter Engine Lube. component manufactured by Stewart And Stevenson Power Produc, specifically under CAGE Code 81381. It is also accompanied by the NSN 4730011386685 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings.