Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4L205RR found under Dial Scale by The Electric Tachometer Corp. The National Stock Number assigned to this part is 5355013130753, 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 4L205RR.