At One Click Purchasing, we are your reliable source for the NSN part 20CAL manufactured by P T Coupling Company. We carry a wide range of popular NSN items on our website, including Elbow Quick Disconn like part number 20CAL which is listed with the NSN 4730016477694 for easy identification. If you are interested in 20CAL 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.