Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8220025-1 found under Lens Plate Gage Gua by Carleton Technologies Inc. The National Stock Number assigned to this part is 1660011452235, 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 8220025-1.