Thank you for selecting Aerospace Aviation 360 for SX4090 by Kycon under Ethernet And Telecom Connectors. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like SX4090. To help us better understand your parts requirements, please fill out an RFQ form for part number SX4090 with your details, and our customer executive will respond to your RFQ in 15 minutes or less.