At One Click Purchasing, we are your reliable source for the NSN part B639P manufactured by Warrick Controls Inc. We carry a wide range of popular NSN items on our website, including Spring Helical Exte like part number B639P which is listed with the NSN 5360007995647 for easy identification. If you are interested in B639P 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.