Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 223-0004-1 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 223-0004-1 It is listed as Regulator Assembly. component manufactured by L 3 Communications, specifically under CAGE Code 06141. It is also accompanied by the NSN 6940009446630 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC .