At One Click Purchasing, we are your reliable source for the NSN part STS-20 manufactured by Insulation Sources Inc. We carry a wide range of popular NSN items on our website, including Insulation Sleeving like part number STS-20 which is listed with the NSN 5970012686050 for easy identification. If you are interested in STS-20 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.