Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ASTM A36 16IN found under Beam Structural by General Services Administration Inc. The National Stock Number assigned to this part is 9520013551933, and the Federal Supply Class is 9520 Structural Shapes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ASTM A36 16IN.