At One Click Purchasing, we are your reliable source for the NSN part 3120057 manufactured by Allied Signal Inc. We carry a wide range of popular NSN items on our website, including Pin Hollow like part number 3120057 which is listed with the NSN 5315010345237 for easy identification. If you are interested in 3120057 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.