Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 521003 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 521003 It is listed as Rear Plate Assembly. component manufactured by Comspace Corporation, specifically under CAGE Code 12431. It is also accompanied by the NSN 5965009104216 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5965 Headsets Handsets Microphones and Speakers.