Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D143680 found under Cooler Compressed Air Compressor by Young Touchstone Company. The National Stock Number assigned to this part is 4310006527186, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D143680.