At One Click Purchasing, we are your reliable source for the NSN part 504004 manufactured by Singer Co The United States Div. We carry a wide range of popular NSN items on our website, including Thumbscrew like part number 504004 which is listed with the NSN 5305003598869 for easy identification. If you are interested in 504004 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.