Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 10056-4 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 10056-4 It is listed as Pipe Muffler Inlet. component manufactured by Walker Mfg Co, specifically under CAGE Code 79260. It is also accompanied by the NSN 2990000941864 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2990 Miscellaneous Engine Accessories Nonaircraft.