Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1344M66G03 found under Tube And Fittings Metallic by Pakoinc. The National Stock Number assigned to this part is 4710012589521, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1344M66G03.