At One Click Purchasing, we are your reliable source for the NSN part 4CMS manufactured by Oxford Speaker Co. We carry a wide range of popular NSN items on our website, including Loudspeaker Permane like part number 4CMS which is listed with the NSN 5965006173847 for easy identification. If you are interested in 4CMS item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.