At One Click Purchasing, we are your reliable source for the NSN part 3748-4B manufactured by Fairview Fittings And Mfg Ltd. We carry a wide range of popular NSN items on our website, including Adapter Straight Pi like part number 3748-4B which is listed with the NSN 4730011745858 for easy identification. If you are interested in 3748-4B 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.