Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6870775 found under Cover Labyrinth Seal Vent by Rolls Royce Corp. The National Stock Number assigned to this part is 2840003921011, and the Federal Supply Class is 2840 Gas Turbines And Jet Engines Aircraft Prime Moving And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6870775.