Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 003863-4 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 003863-4 It is listed as Bridge. component manufactured by The Boeing Company, specifically under CAGE Code 77272. It is also accompanied by the NSN 6130016607072 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 6130 Converters Electrical Non Rotating.