At One Click Purchasing, we are your reliable source for the NSN part 40-1989 manufactured by Radioshack Corporation. We carry a wide range of popular NSN items on our website, including Loudspeaker Assembl like part number 40-1989 which is listed with the NSN 5965012133989 for easy identification. If you are interested in 40-1989 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.