Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FC 1251 found under Filter Radio Freque by Fil Coil Fc Inc. The National Stock Number assigned to this part is 5915009032977, 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 FC 1251.