Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number COOLER AIR EVAPORAT18INCH found under Cooler Air Evaporative by Quietaire Corporation. The National Stock Number assigned to this part is 4120015077036, and the Federal Supply Class is 4120 Air Conditioning Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like COOLER AIR EVAPORAT18INCH.