At One Click Purchasing, we are your reliable source for the NSN part 28039B manufactured by D W Hercules Llc. We carry a wide range of popular NSN items on our website, including Cap Filler Opening like part number 28039B which is listed with the NSN 2590005778993 for easy identification. If you are interested in 28039B 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.