Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EB1820 found under Valve Flow Control by Fairchild Industries Inc. The National Stock Number assigned to this part is 4820008838805, 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 EB1820.