Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA213B6DB found under Attenuator Fixed by Arrowsmith Shelburne Inc. The National Stock Number assigned to this part is 5985000202226, 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 CA213B6DB.