Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DSI-500-1101 found under Controller System Common by Qinetiq North America Inc. The National Stock Number assigned to this part is 7042016081619, and the Federal Supply Class is 7042 Mini And Micro Computer Control Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DSI-500-1101.