At One Click Purchasing, we are your reliable source for the NSN part 20661D manufactured by Allegheny Valve Co. We carry a wide range of popular NSN items on our website, including Flange Pipe Blind like part number 20661D which is listed with the NSN 4730015048927 for easy identification. If you are interested in 20661D 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.