Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ECCOSORB HR-25 found under Absorber Radio Frequency Radiati by Emerson And Cuming. The National Stock Number assigned to this part is 6625012679706, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ECCOSORB HR-25.