The NSN 2990010843484 (Starter Engine Air) part number 21422, 21422, 21422, 5-21422L manufactured by Maradyne Corporation, Stanadyne Corporation, Sycon Corp is available in Jet Parts 360’s inventory. Owned and operated by ASAP Semiconductor, Jet Parts 360 has over six billion parts in its inventory, including NSN 2990010843484 . ASAP is devoted to streamlining the parts procurement process for our customers, making it easy for them to search through billions of parts to find exactly what they are looking for. We have dedicated account managers ready to solve procurement issues our clients face, whether it’s a need for aerospace parts, or an aircraft on ground situation. Submit a Quote for NSN 2990010843484 parts today to get started.