At One Click Purchasing, we are your reliable source for the NSN part CWC-4IN manufactured by Potomac Rubber Company Inc. We carry a wide range of popular NSN items on our website, including Hose Air Duct like part number CWC-4IN which is listed with the NSN 4720010186579 for easy identification. If you are interested in CWC-4IN 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.