At One Click Purchasing, we are your reliable source for the NSN part B27-1 manufactured by American National Standards. We carry a wide range of popular NSN items on our website, including Washer Lock like part number B27-1 which is listed with the NSN 5310005791603 for easy identification. If you are interested in B27-1 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.