Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS0504W3S found under Attenuator Fixed by Smiths Interconnect Microwave. The National Stock Number assigned to this part is 5985015895282, 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 TS0504W3S.