Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 524-7519 found under Shell Assembly by Aqua Chem Inc. The National Stock Number assigned to this part is 4610011077002, and the Federal Supply Class is 4610 Water Purification Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 524-7519.