Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JN10-1979A1 found under Filter Radio Frequency Interference by Sprague Electric Co. The National Stock Number assigned to this part is 5915004505371, 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 JN10-1979A1.