Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Z10-239 found under Resistor Manganin by Ideal Precision Meter Co. The National Stock Number assigned to this part is 5905004874993, 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 Z10-239.