At One Click Purchasing, we are your reliable source for the NSN part H186-31-2 manufactured by Dresser Industries Inc. We carry a wide range of popular NSN items on our website, including Diaphragm Actuator like part number H186-31-2 which is listed with the NSN 4820011871480 for easy identification. If you are interested in H186-31-2 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.