Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F1A309C found under Gasket by Pentair Pump Group Inc. The National Stock Number assigned to this part is 5330004317405, 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 F1A309C.