Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 049-000474-004 found under Filter Radio Freque by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5915013518035, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 049-000474-004.