Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 06-0204-1373 found under Seal Waveguide by Cal Metex Corp. The National Stock Number assigned to this part is 5985010630138, 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 06-0204-1373.