Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CODE5B25A2RL found under Valve Diaphragm Con by Leslie Controls Inc. The National Stock Number assigned to this part is 4820012615737, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CODE5B25A2RL.