Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3318915-5 found under Valve Three Way by Rolls Royce Canada Ltd. The National Stock Number assigned to this part is 4810011616252, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3318915-5.