At One Click Purchasing, we are your reliable source for the NSN part 11661B manufactured by Beaird Industries Inc. We carry a wide range of popular NSN items on our website, including Muffler Exhaust like part number 11661B which is listed with the NSN 2990007021590 for easy identification. If you are interested in 11661B 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.