Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RWU3021SP found under Resistor Variable N by Precision Electronics Inc. The National Stock Number assigned to this part is 5905006543367, 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 RWU3021SP.