At One Click Purchasing, we are your reliable source for the NSN part 18439 manufactured by Precision Twist Drill Co. We carry a wide range of popular NSN items on our website, including Drill Twist like part number 18439 which is listed with the NSN 5133010541098 for easy identification. If you are interested in 18439 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.