Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AC-242-36-31B found under Air Conditioner by Applied Companies. The National Stock Number assigned to this part is 4120015609122, 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 AC-242-36-31B.