Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6615 ITEM 65 found under Piston Valve by Leslie Controls Inc. The National Stock Number assigned to this part is 4810014238027, 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 6615 ITEM 65.