Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GC1085A5 found under Impeller Fan Axial by Dunham Bush Ltd. The National Stock Number assigned to this part is 4140012093978, and the Federal Supply Class is 4140 Fans Air Circulators And Blower Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GC1085A5.