Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0004-1948-830 found under Seal Ring Metal by Westfalia Separator Mineraloil. The National Stock Number assigned to this part is 5330013294025, 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 0004-1948-830.