At One Click Purchasing, we are your reliable source for the NSN part TMB20-B21 manufactured by T J Electronics. We carry a wide range of popular NSN items on our website, including Terminal Junction B like part number TMB20-B21 which is listed with the NSN 5940002050645 for easy identification. If you are interested in TMB20-B21 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.