At One Click Purchasing, we are your reliable source for the NSN part AT1340-A manufactured by Sigma Instruments Inc. We carry a wide range of popular NSN items on our website, including Circuit Card Assembly like part number AT1340-A which is listed with the NSN 5998011178812 for easy identification. If you are interested in AT1340-A 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.