Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 645-0103 found under Filter Radio Freque by Meggitt Troy Inc. The National Stock Number assigned to this part is 5915004921256, 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 645-0103.