Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30216-501 found under Dial Control by Dewey Electronics Corp The. The National Stock Number assigned to this part is 5355004324657, 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 30216-501.