Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2 1-2A19G found under Retainer Packing by Pentair Pump Group Inc. The National Stock Number assigned to this part is 5330011918140, 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 D2 1-2A19G.