Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SJ2259TYPE20-06 found under Damping Sheet by 3 M Federal Systems Dept. The National Stock Number assigned to this part is 1560013113517, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SJ2259TYPE20-06.