Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RLA2531-2R4300 found under Resistor Variable N by Reon Resistor Corp. The National Stock Number assigned to this part is 5905002835813, 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 RLA2531-2R4300.