At One Click Purchasing, we are your reliable source for the NSN part AT-155 manufactured by Sigma Instruments Inc. We carry a wide range of popular NSN items on our website, including Socket Plug In Elec like part number AT-155 which is listed with the NSN 5935004982104 for easy identification. If you are interested in AT-155 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.