Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS0175-923 found under Filter Radio Freque by Frequency Selective Networks Inc. The National Stock Number assigned to this part is 5915010175923, 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 FS0175-923.