Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LPPIL468392B28 found under Valve Diaphragm Stop by Proconex Inc. The National Stock Number assigned to this part is 4820013743354, 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 LPPIL468392B28.