Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST4M145-5 found under Contact Strip Radio Frequency Gr by Tech Etch Inc. The National Stock Number assigned to this part is 5940004136389, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ST4M145-5.