At One Click Purchasing, we are your reliable source for the NSN part HA-253 manufactured by Assembly And Test Worldwide Inc. We carry a wide range of popular NSN items on our website, including Calibrator Injecto like part number HA-253 which is listed with the NSN 6625011282142 for easy identification. If you are interested in HA-253 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.