Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LT1038A7 found under Pulley Calibration by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 3020007633168, 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 LT1038A7.