Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 820-0175-000 found under Silver Ribbon by Engelhard Corp. The National Stock Number assigned to this part is 9545010823430, and the Federal Supply Class is 9545 Plate Sheet Strip Foil And Wire Precious Metal. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 820-0175-000.