At One Click Purchasing, we are your reliable source for the NSN part 056-00004 manufactured by Hdt Expeditionary Systems Inc. We carry a wide range of popular NSN items on our website, including Clamp Hose like part number 056-00004 which is listed with the NSN 4730016205432 for easy identification. If you are interested in 056-00004 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.