At One Click Purchasing, we are your reliable source for the NSN part 40478-1 PIECE 16 manufactured by Trac Regulators Inc. We carry a wide range of popular NSN items on our website, including Disk Valve like part number 40478-1 PIECE 16 which is listed with the NSN 4820012334945 for easy identification. If you are interested in 40478-1 PIECE 16 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.