Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YT304268-901 found under Gasket by Young Touchstone Company. The National Stock Number assigned to this part is 5330012781796, 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 YT304268-901.