Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W6404-7 found under Adapter Mast by Adss Inc. The National Stock Number assigned to this part is 5985015785245, 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 W6404-7.