At One Click Purchasing, we are your reliable source for the NSN part FE-5440A manufactured by Joint Electronics Type Designation System. We carry a wide range of popular NSN items on our website, including Clock Master Regula like part number FE-5440A which is listed with the NSN 6645010630399 for easy identification. If you are interested in FE-5440A 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.