Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number M90-191 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 M90-191 It is listed as Adapter Waveguide. component manufactured by Microwave Engineering Corporatio, specifically under CAGE Code 06351. It is also accompanied by the NSN 5985013882923 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5985 Antennas Waveguides and Related Equipment.