Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DRF223SMI found under Filter Band Pass by Microwave Devices Inc. The National Stock Number assigned to this part is 5915012249453, 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 DRF223SMI.