Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RFA 10642-1 found under Filter Radio Frequency Interference by Ems Technologies Inc. The National Stock Number assigned to this part is 5915012140494, 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 RFA 10642-1.