At One Click Purchasing, we are your reliable source for the NSN part B549D020 manufactured by Probescope Co Inc. We carry a wide range of popular NSN items on our website, including Attenuator Variable like part number B549D020 which is listed with the NSN 5985004292014 for easy identification. If you are interested in B549D020 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.