Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16770673-001 found under Pulley Reel by Sypris Electronics Llc. The National Stock Number assigned to this part is 3020004343862, 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 16770673-001.