Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C16434-28C found under Crystal Unit Quartz by Cts Reeves Frequency Products. The National Stock Number assigned to this part is 5955013761500, 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 C16434-28C.