Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D3948 REV D PIECE 6 found under Gasket by Julie Research Laboratories Inc. The National Stock Number assigned to this part is 5330014116447, 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 D3948 REV D PIECE 6.