Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number COS-1020 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 COS-1020 It is listed as Circulator Radio Frequency. component manufactured by L 3 Communications, specifically under CAGE Code 99899. It is also accompanied by the NSN 5985013078353 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5985 Antennas Waveguides and Related Equipment.