Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number ESI-R28 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 ESI-R28 It is listed as Switchelectronic. component manufactured by Excalibur Systems Inc, specifically under CAGE Code 0DY94. It is also accompanied by the NSN 5930016751475 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5930 Switches.