Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y4345888 found under Measuring Device by Mtu America Incorporated. The National Stock Number assigned to this part is 5355016579778, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Y4345888.