Thank you for selecting Aerospace Aviation 360 for ER4020 by Schurter Ag under Other Connectors. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like ER4020. To help us better understand your parts requirements, please fill out an RFQ form for part number ER4020 with your details, and our customer executive will respond to your RFQ in 15 minutes or less.