Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2991PC27 found under Gasket by Terry Corp Of Connecticut. The National Stock Number assigned to this part is 5330003164206, 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 D2991PC27.