Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9423020791 found under Chain Leaf by Mitsubishi Heavy Industries Ltd. The National Stock Number assigned to this part is 3020013146913, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9423020791.