Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MSH-18WV found under Air Conditioner by Mitsubishi Electronics America Inc. The National Stock Number assigned to this part is 4120015950148, 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 MSH-18WV.