At One Click Purchasing, we are your reliable source for the NSN part 500-691324 manufactured by Siemens Building Technologies Inc. We carry a wide range of popular NSN items on our website, including Circuit Card Assemb like part number 500-691324 which is listed with the NSN 5998015989731 for easy identification. If you are interested in 500-691324 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.