Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1768657 found under Gasket by Navair And Navsea Managed. The National Stock Number assigned to this part is 5330006057007, 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 1768657.