At One Click Purchasing, we are your reliable source for the NSN part 61640 manufactured by Porter H K Co Inc. We carry a wide range of popular NSN items on our website, including Lens Light like part number 61640 which is listed with the NSN 6220005353230 for easy identification. If you are interested in 61640 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.