Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E20588-00 found under Switch Waveguide by Etm Electromatic Inc. The National Stock Number assigned to this part is 5985015344680, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E20588-00.