At One Click Purchasing, we are your reliable source for the NSN part E1-4B manufactured by Kerotest Manufacturing Corp. We carry a wide range of popular NSN items on our website, including Elbow like part number E1-4B which is listed with the NSN 4730000363917 for easy identification. If you are interested in E1-4B 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.