At One Click Purchasing, we are your reliable source for the NSN part 9N-3500-20A4MHC manufactured by Frederick Custom Machining Inc. We carry a wide range of popular NSN items on our website, including Pump Unit Centrifug like part number 9N-3500-20A4MHC which is listed with the NSN 4320011392731 for easy identification. If you are interested in 9N-3500-20A4MHC 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.