Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12053 found under Shroud Fan Radiator by Thmx Holdings Llc. The National Stock Number assigned to this part is 2930016458988, 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 12053.