Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 75442-RC found under Impeller Fan Centrifugal by Integrated Power Services Llc. The National Stock Number assigned to this part is 4140013627117, 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 75442-RC.