Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 303615 found under Gasket by Simpson Lawrence Ltd Johnson And Evi. The National Stock Number assigned to this part is 5330000530756, 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 303615.