Aerospace Exchange, a subsidiary of ASAP Semiconductor, is your one-stop shop for NIIN part numbers like SUM3899 under NIIN 990040292. Our convenient NIIN database allows you to search NIIN like 990040292 in a variety of methods. You can type in any of our many NSN part numbers such as SUM3899 or search by manufacturers like Gc Electric Llc. You are even able to further streamline the NIIN lookup process by searching for specific NSNs like 5340990040292. The Aerospace Exchange start purchasing process for NIIN NIIN 990040292 is tailored for optimal ease and our impressive inventory is made up of thousands of parts. You’ve never seen a buying experience like the one we provide at Aerospace Exchange.