Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12W8673-52 found under Plate Structural Aircraft by Southwest Machine And Manufacturing. The National Stock Number assigned to this part is 1560010346186, 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 12W8673-52.