At One Click Purchasing, we are your reliable source for the NSN part HC18-21.4MHZ manufactured by Crystal Sokol Products Inc. We carry a wide range of popular NSN items on our website, including Crystal Unit Quartz like part number HC18-21.4MHZ which is listed with the NSN 5955013602766 for easy identification. If you are interested in HC18-21.4MHZ 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.