Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1452-21 9BLACK found under Dial Scale by Elma Electronic Inc. The National Stock Number assigned to this part is 5355010488461, 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 1452-21 9BLACK.