Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WBEI 00 000 3054 found under Valve Assembly by Willbros Engineers Inc. The National Stock Number assigned to this part is 4820012884633, 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 WBEI 00 000 3054.