Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A6 2170 found under Shroud Fan Radiator by Thermal Engineering International. The National Stock Number assigned to this part is 2930003575664, 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 A6 2170.