At One Click Purchasing, we are your reliable source for the NSN part 40252 manufactured by Fastenal Co Inc. We carry a wide range of popular NSN items on our website, including Washer Lock like part number 40252 which is listed with the NSN 5310016717645 for easy identification. If you are interested in 40252 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.