At One Click Purchasing, we are your reliable source for the NSN part SR5-B manufactured by Mayhew Industries Inc. We carry a wide range of popular NSN items on our website, including Regulator Compresse like part number SR5-B which is listed with the NSN 4820012835587 for easy identification. If you are interested in SR5-B 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.