At One Click Purchasing, we are your reliable source for the NSN part D3644 manufactured by Dcm Inc. We carry a wide range of popular NSN items on our website, including Chamber Combustion like part number D3644 which is listed with the NSN 2990003748347 for easy identification. If you are interested in D3644 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.