Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMD 8811Y found under Delay Line by Data Delay Devices Inc. The National Stock Number assigned to this part is 5999009506887, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SMD 8811Y.