Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 990-3600-100 found under Controller System Common by M Systems. The National Stock Number assigned to this part is 7042016007715, 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 990-3600-100.