Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number U1653 found under Dial Scale by Bae Systems Information And Electronic Systems Integration I Dba Es Marine Syste. The National Stock Number assigned to this part is 5355000903311, 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 U1653.