Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3140909-101.890000MHZ found under Crystal Unit Quartz by Piezo Crystal Co. The National Stock Number assigned to this part is 5955011579606, 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 3140909-101.890000MHZ.