Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RF3-0018-4 found under Filter Radio Freque by Rockwell Automation Ltd. The National Stock Number assigned to this part is 5915015589267, 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 RF3-0018-4.