Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAF5R0X00020 found under Resistor Fixed Wire by Ultronix Inc. The National Stock Number assigned to this part is 5905008389586, 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 CAF5R0X00020.