The NSN 5930004501851 (Guard Switch) part number 21911, 21911, 21911, PM21911, PM21911 manufactured by Amphenol Corporation, Microwave Devices Corp, Unison Industries Llc, Mason Electric Company is available in Jet Parts 360’s inventory. Owned and operated by ASAP Semiconductor, Jet Parts 360 has over six billion parts in its inventory, including NSN 5930004501851 . ASAP is devoted to streamlining the parts procurement process for our customers, making it easy for them to search through billions of parts to find exactly what they are looking for. We have dedicated account managers ready to solve procurement issues our clients face, whether it’s a need for aerospace parts, or an aircraft on ground situation. Submit a Quote for NSN 5930004501851 parts today to get started.