Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 88-12642 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 88-12642 It is listed as Back Up Ring Preformed Packing. component manufactured by Young Engineers Inc The, specifically under CAGE Code 0GFE1. It is also accompanied by the NSN 5330016188244 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5330 Packing and Gasket Materials.