Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PS844000017F149 found under Crystal Unit Set Qu by Cts Reeves Frequency Products. The National Stock Number assigned to this part is 5955007032584, 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 PS844000017F149.