Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0203-3520 found under Resistor Fixed by E And R Electronics Inc. The National Stock Number assigned to this part is 5905010932292, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0203-3520.