Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 203449 found under Card Punch Data Rec by Astronautics Corporation Of America. The National Stock Number assigned to this part is 5999011584615, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 203449.