At One Click Purchasing, we are your reliable source for the NSN part 5-21X manufactured by Correct Mfg Corp. We carry a wide range of popular NSN items on our website, including Parts Kit Universal like part number 5-21X which is listed with the NSN 2520005307544 for easy identification. If you are interested in 5-21X 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.