Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JS1W200P503RA found under Resistor Variable N by Rockwell Automation Inc. The National Stock Number assigned to this part is 5905002592800, 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 JS1W200P503RA.