Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 326 PC 20 found under Packing Preformed by Coyne And Delany Co. The National Stock Number assigned to this part is 5330015042579, 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 326 PC 20.