Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BN5049 found under Rubber Sheet Solid by Du Pont E I De Nemours And Co Inc. The National Stock Number assigned to this part is 5330001225532, 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 BN5049.