Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 71682-21 found under Resistor Chip Fixed by L 3 Communications Electronic. The National Stock Number assigned to this part is 5905015384677, 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 71682-21.