Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2057AS313-01 found under Cib Assembly Aircra by Teradyne Inc. The National Stock Number assigned to this part is 1680015490467, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2057AS313-01.