Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 24U501BX found under Resistor Variable N by Mallory Controls Co. The National Stock Number assigned to this part is 5905004570981, 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 24U501BX.