Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y201-14.255245MHZ found under Crystal Unit Quartz by Viz Mfg Co Inc. The National Stock Number assigned to this part is 5955011748587, 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 Y201-14.255245MHZ.