At One Click Purchasing, we are your reliable source for the NSN part 1638 manufactured by Satair Usa Inc. We carry a wide range of popular NSN items on our website, including Lamp Incandescent like part number 1638 which is listed with the NSN 6240001558686 for easy identification. If you are interested in 1638 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.