Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C210A.250X.063 found under Tubing Nonmetallic by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 4720014108186, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C210A.250X.063.