Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TXR-13-AB90-1806AI found under Adapter And Ring by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5975012611643, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TXR-13-AB90-1806AI.