Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMS QQ A 250 T4 0 312THK22X1 found under Strip Metal by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 9535014703844, and the Federal Supply Class is 9535 Plate Sheet Strip And Foil Nonferrous Base Metal. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AMS QQ A 250 T4 0 312THK22X1.