Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HG5600-4A17-L-02 ITEM 29 found under Gear Spur by Allied Power Products Inc. The National Stock Number assigned to this part is 3020015664274, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HG5600-4A17-L-02 ITEM 29.