At One Click Purchasing, we are your reliable source for the NSN part VT20 manufactured by Velan Valve Corp. We carry a wide range of popular NSN items on our website, including Gear Operator Valve like part number VT20 which is listed with the NSN 4820013984557 for easy identification. If you are interested in VT20 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.