Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11450397-1 found under Gear Antibacklash Spur by Kurt Manufacturing Company Inc. The National Stock Number assigned to this part is 3020014467332, 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 11450397-1.