Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 040 677 4 PIECE 433 found under Seal Assembly Shaft Spring Loaded by Heinrich Behrens Pumpenfabrik Gmbh. The National Stock Number assigned to this part is 5330123256085, 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 040 677 4 PIECE 433.