Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMS-C-7438 3 1 18 628 PAA 5052 found under Panel Structural Ai by Alcore Inc. The National Stock Number assigned to this part is 1560015914753, 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 AMS-C-7438 3 1 18 628 PAA 5052.