Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01 685 found under Head Hydraulic Moto by Donallco Inc. The National Stock Number assigned to this part is 1610003036791, and the Federal Supply Class is 1610 Aircraft Propellers And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01 685.