Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 18DG11609ITEM1678 found under Window Metal by Edwards O M Co Inc The. The National Stock Number assigned to this part is 5410002271756, and the Federal Supply Class is 5410 Prefabricated And Portable Buildings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 18DG11609ITEM1678.