Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1447X79 found under Probe Sample Spectrophotometer by Ciba Corning Diagnostics Corp. The National Stock Number assigned to this part is 6650012592961, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1447X79.