Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 122-5006519 PC 32-19.75 IN found under Link Roller Chain by Baldwin Lima Hamilton Corp. The National Stock Number assigned to this part is 3020014860233, 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 122-5006519 PC 32-19.75 IN.