Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number AA56S4 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 AA56S4 It is listed as Spark Plug Assembly. component manufactured by Champion Aerospace Llc, specifically under CAGE Code 0AFL4. It is also accompanied by the NSN 2925009530463 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2925 Engine Electrical System Components Aircraft Prime Moving.