Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CL19WT3-6MHZ found under Crystal Unit Quartz by Cts Valpey Corporation. The National Stock Number assigned to this part is 5955004718232, 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 CL19WT3-6MHZ.