Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Z5E120A found under Gear Spur by Designatronics Incorporated. The National Stock Number assigned to this part is 3020000426596, 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 Z5E120A.