Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52MA3B04 found under Resistor Variable W by Siemens Energy And Automation Inc. The National Stock Number assigned to this part is 5905014602699, 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 52MA3B04.