Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TXR-40-AB90-2420BI found under Backshell Electrica by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5935011517849, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TXR-40-AB90-2420BI.