Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1980T-10 found under Attenuator Fixed by Radite Microwave Co Inc. The National Stock Number assigned to this part is 5985003712876, 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 D1980T-10.