Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NP2021 141 found under Dial Control by Acme Cleveland Corp. The National Stock Number assigned to this part is 5355011104619, 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 NP2021 141.