At One Click Purchasing, we are your reliable source for the NSN part QQS561 manufactured by Federal Specifications Promulgat. We carry a wide range of popular NSN items on our website, including Brazing Alloy Silve like part number QQS561 which is listed with the NSN 3439000521899 for easy identification. If you are interested in QQS561 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.