Sti – Aviation Parts and Components

Purchasing Sphere is a leading supplier of parts from top quality manufacturers within the aerospace, civil aviation, and defense industries. This includes Sti, whose parts, such as M5531016-B21A-2.457600M, 7119-016-10.000MHZ, 7120-025, SPD1003, 5961-00-872-0882 and many more, are readily available through our inventory of more than two billion new and obsolete aviation parts. As Purchasing Sphere is an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, as well as the only independent distributor with a no China sourcing policy, you can buy with the confidence that every aircraft part we sell is fully traceable or comes directly from its manufacturer Sti. Furthermore, resources such as our international supply chain network that spans United States allow us to track down parts from all over the world and ship them directly to you with short lead times and competitive prices, even in AOG situations. To begin the purchasing process immediately, submit an RFQ today.