Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 538424-38 found under Resistor Variable N by Selex Es Ltd. The National Stock Number assigned to this part is 5905014737630, 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 538424-38.