Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LLL-A-00650 TY1 found under Arch Board File by General Services Administration Inc. The National Stock Number assigned to this part is 7520002405498, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LLL-A-00650 TY1.