Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1611A00 found under Mixer Crystal by Nurad Technologiesinc. The National Stock Number assigned to this part is 5955010775575, and the Federal Supply Class is 5955 Oscillators And Piezoelectric Crystals. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D1611A00.