Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST4M147-6 found under Contact Strip Radio by Tech Etch Inc. The National Stock Number assigned to this part is 5330015718118, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ST4M147-6.