At One Click Purchasing, we are your reliable source for the NSN part 0R4-27 manufactured by Komatsu America International. We carry a wide range of popular NSN items on our website, including O Ring like part number 0R4-27 which is listed with the NSN 5331007199719 for easy identification. If you are interested in 0R4-27 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.