Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 927J20 found under Case Chain by Yale Industrial Products Inc. The National Stock Number assigned to this part is 3020014682775, 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 927J20.