At One Click Purchasing, we are your reliable source for the NSN part 21600642 manufactured by Hammer And Steel Inc. We carry a wide range of popular NSN items on our website, including Retainer Helical Co like part number 21600642 which is listed with the NSN 5340016170208 for easy identification. If you are interested in 21600642 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.