Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS-S-601903-004 found under Resistor Variable N by Canberra Industries Inc. The National Stock Number assigned to this part is 5905013826387, 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 RS-S-601903-004.