Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XND37X52 found under Chain Roller by Hobart Corporation. The National Stock Number assigned to this part is 3020000736371, 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 XND37X52.