Thank you for selecting Aerospace Aviation 360 for 16R21-E by Leviton Manufacturing Co Inc under Telecom And Ethernet Connectors. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like 16R21-E. To help us better understand your parts requirements, please fill out an RFQ form for part number 16R21-E with your details, and our customer executive will respond to your RFQ in 15 minutes or less.