Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L58700 found under Valve Assembly Iner by Lourdes Industries Inc. The National Stock Number assigned to this part is 4820008822807, 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 L58700.