Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100D1030 found under Attenuator Variable by Daico Industries Inc. The National Stock Number assigned to this part is 5985010872409, 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 100D1030.