Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R 3603 1IDX1 1 4ODX1 8IN THK found under Tubing Nonmetallic by Cole Parmer Instrument Co. The National Stock Number assigned to this part is 4720010874550, 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 R 3603 1IDX1 1 4ODX1 8IN THK.