Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A16 1139 found under Grille Metal by Thermal Engineering International. The National Stock Number assigned to this part is 2510003325292, and the Federal Supply Class is 2510 Vehicular Cab Body And Frame Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A16 1139.