Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 03S683-156 found under Tube Asy Oil Filter by Falls Filtration Technologies In. The National Stock Number assigned to this part is 2520007707917, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 03S683-156.