At One Click Purchasing, we are your reliable source for the NSN part B02-004 manufactured by Parker Hannifin Ltd. We carry a wide range of popular NSN items on our website, including Seat Valve like part number B02-004 which is listed with the NSN 4820009174776 for easy identification. If you are interested in B02-004 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.