Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIS-20079 16 found under Oscillator Crystal Controlled by Spectrum Microwave Inc. The National Stock Number assigned to this part is 5955012345352, 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 MIS-20079 16.