Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42H11 found under Dummy Load Electric by Smiths Interconnect Microwave. The National Stock Number assigned to this part is 5985013626707, 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 42H11.