Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EC42-204R0F found under Resistor Fixed Wire Wound Nonind by Natron Corp. The National Stock Number assigned to this part is 5905002967600, 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 EC42-204R0F.