At One Click Purchasing, we are your reliable source for the NSN part 221B manufactured by Abbatron. We carry a wide range of popular NSN items on our website, including like part number 221B which is listed with the NSN 5935000897483 for easy identification. If you are interested in 221B 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.