Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C33-5003 found under Resistor Variable N by Andrea Systems Llc. The National Stock Number assigned to this part is 5905016043892, 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 C33-5003.