Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A07D32 found under Cycling Switch Heater by Hartzell Engine Technologies Llc. The National Stock Number assigned to this part is 1660001788427, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A07D32.