Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 5220421 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 5220421 It is listed as Horn Vehicular. component manufactured by Signaltone Neiman Inc, specifically under CAGE Code 64189. It is also accompanied by the NSN 2590001263730 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 2590 Miscellaneous Vehicular Components.