Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M287 4-38-0060 found under Waveguide Assy by Micro Tech Intl Inc. The National Stock Number assigned to this part is 5975014645038, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M287 4-38-0060.