Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KIT1431 found under Ring Set High Press by Atlas Copco. The National Stock Number assigned to this part is 4310000804831, 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 KIT1431.