Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM-D-686632 found under Mixer Crystal Waveguide by Microwave Applications Group Inc. The National Stock Number assigned to this part is 5985001568526, 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 SM-D-686632.