At One Click Purchasing, we are your reliable source for the NSN part 281-489 manufactured by Curtin Matheson Scientific Inc. We carry a wide range of popular NSN items on our website, including Reference Standard Set Direct And Total Bilirubin like part number 281-489 which is listed with the NSN 6550013250092 for easy identification. If you are interested in 281-489 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.