Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10318R1-10RB1 found under Cooler Lubricating Oil Engine by Hayden Inc. The National Stock Number assigned to this part is 2930011775397, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10318R1-10RB1.