Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T12-0064 found under Gage Inspection by General Electric Co. The National Stock Number assigned to this part is 5220011335662, and the Federal Supply Class is 5220 Inspection Gages And Precision Layout Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T12-0064.