Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WM7-40 S5 3000X found under Converter Direct Cu by Computer Products Inc. The National Stock Number assigned to this part is 5961011026899, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WM7-40 S5 3000X.