Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8000AG9 found under Holder Crystal Unit by Charles V Clark Co. The National Stock Number assigned to this part is 5955000675698, 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 8000AG9.