Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number XX221X16-18S4S 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 XX221X16-18S4S It is listed as Switch Liquid Level. component manufactured by National Magnetic Sensors Inc, specifically under CAGE Code 0HCB1. It is also accompanied by the NSN 5930014203045 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC 5930 Switches.