Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3B1647 found under Spreader Tube Assy by Oro Manufacturing Company. The National Stock Number assigned to this part is 1680001336875, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A3B1647.