Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10-4020 ITEM 24 found under Resistor Variable N by L3 Communications Corp. The National Stock Number assigned to this part is 5905015120242, 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 10-4020 ITEM 24.