Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21T1122-714 found under Screen Assembly by The Boeing Company. The National Stock Number assigned to this part is 1660016835682, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 21T1122-714.