Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H8704-3-050 found under Plate by Hartwell Corporation. The National Stock Number assigned to this part is 1560005684555, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like H8704-3-050.