Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SMI 458 03 found under Support Structural Component Air by Lifeport Inc. The National Stock Number assigned to this part is 1560015782340, 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 SMI 458 03.