Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C-RAM-SFC-18 found under Absorber Radio Frequency Radiati by Cummins Inc. The National Stock Number assigned to this part is 6625015217534, 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 C-RAM-SFC-18.