Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4F1140-33 found under Tube Ladder Emergency Door by Bombardier Aerospace. The National Stock Number assigned to this part is 4710000086694, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C4F1140-33.