At One Click Purchasing, we are your reliable source for the NSN part SM4-549 manufactured by Sector Microwave Industries Inc. We carry a wide range of popular NSN items on our website, including Switch Waveguide like part number SM4-549 which is listed with the NSN 5985014142202 for easy identification. If you are interested in SM4-549 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.