Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SCD51990379-002 found under Filter Radio Freque by Harris Technical Services Corp. The National Stock Number assigned to this part is 5915012268398, 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 SCD51990379-002.