At One Click Purchasing, we are your reliable source for the NSN part 43979-1 manufactured by Johnson Controls Inc. We carry a wide range of popular NSN items on our website, including Adapter Thermocoupl like part number 43979-1 which is listed with the NSN 4520004230455 for easy identification. If you are interested in 43979-1 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.