Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AX5123 found under Core And Header Rad by Modine Mfg Co. The National Stock Number assigned to this part is 2930007342705, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AX5123.