Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 945-8394 found under Parts Kit Pressure by Aqua Chem Inc. The National Stock Number assigned to this part is 4820011820841, 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 945-8394.