At One Click Purchasing, we are your reliable source for the NSN part 3993 manufactured by Evans John Sons Incorporated. We carry a wide range of popular NSN items on our website, including Spring Spiral Torsi like part number 3993 which is listed with the NSN 5360016448868 for easy identification. If you are interested in 3993 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.