Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5711R1KL0.5PCTFS found under Resistor Variable W by Bi Technologies Corporation. The National Stock Number assigned to this part is 5905011901275, 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 5711R1KL0.5PCTFS.