Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TFD 6111A found under Filter Band Pass by Motorola Solutions Inc. The National Stock Number assigned to this part is 5915014998157, 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 TFD 6111A.