Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MD-205X013 found under Attenuator Fixed by Herley Industries Inc. The National Stock Number assigned to this part is 5985014461046, 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 MD-205X013.