At One Click Purchasing, we are your reliable source for the NSN part 3904 manufactured by Schrader Bridgeport Intl Inc. We carry a wide range of popular NSN items on our website, including Valve Extension Tir like part number 3904 which is listed with the NSN 2640002042279 for easy identification. If you are interested in 3904 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.