Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BDN-107D PIECE 42 found under Gasket by Singer Co The. The National Stock Number assigned to this part is 5330011916085, 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 BDN-107D PIECE 42.