Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 135034-21 found under Plate Structural Ai by Fleet Readiness Center Southwest. The National Stock Number assigned to this part is 1560016455294, 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 135034-21.