Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CFD 1143 found under Seal Assembly Shaft by John Crane Inc. The National Stock Number assigned to this part is 5330004722419, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CFD 1143.