Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 749B505PC1 found under Gasket by Cooper Hewitt Electric Co Inc. The National Stock Number assigned to this part is 5330009124249, 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 749B505PC1.