Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5-4PDX3WB found under Pulley Groove by Tb Woodss Corporation. The National Stock Number assigned to this part is 3020001651560, 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 5-4PDX3WB.